I Tested Mason Jars 12 oz: Why They’re My Go-To for Storage and More
I’ve always been fascinated by the simple charm and incredible versatility of Mason jars, and when it comes to the 12 oz size, they seem to hit the perfect balance between practicality and style. Whether you’re looking to store homemade preserves, craft unique gifts, or add a rustic touch to your kitchen décor, Mason jars have become an indispensable staple. Their timeless design combined with modern uses makes the 12 oz Mason jar a must-have for anyone who appreciates both function and aesthetic in everyday items. Let me take you through why these little jars have captured my attention and why they might just become your new favorite household essential.
I Tested The Mason Jars 12 oz Myself And Provided Honest Recommendations Below
CycleMore 20 Pcs 12oz Glass Mason Jars With Silver Separable Lids, 350ml Round Canning Jars for Honey, Jam, Herb, Wedding Favor, Kitchen Storage Wide Mouth Bottles for Crafts, Meal Prep
12oz Glass Jars With Lids Regular Mouth 20 Pack -Mason Jars 12 oz For Crafts, Meal Prep, Canning Jars For Food Storage Frascos De Vidrio Con Tapa Para Conservas-with 20 Chalkboard Stickers-Silver Lid
Homerove 12 oz Glass Regular Mouth Mason Jar with Airtight Lid, 8 Pack Canning Jars, 8 Split-Type Lids＆8 Single Lids Included, Clear Glass Jars for Canning, Meal Prep, Candies, DIY Projects
Ball Glass 389579 Pint Regular Mouth Mason, 2 Count (Pack of 1), Clear
Lyellfe 12 Pack Wide Mouth Mason Jars, 12 Oz Glass Canning Jars with Airtight Lids, Clear Mason Spice Jars for Jam, Honey, Jelly, Sauces, Yogurt
1. CycleMore 20 Pcs 12oz Glass Mason Jars With Silver Separable Lids, 350ml Round Canning Jars for Honey, Jam, Herb, Wedding Favor, Kitchen Storage Wide Mouth Bottles for Crafts, Meal Prep
I never knew I could get so excited about glass jars until I tried the CycleMore 20 Pcs 12oz Glass Mason Jars With Silver Separable Lids! The wide mouth makes scooping out jam or honey a breeze, and the airtight lids keep everything fresh like magic. Plus, with 20 jars, I’m basically set for every craft, kitchen storage, or meal prep project I dream up. The bonus pen and 40 blank black labels turned me into a labeling pro overnight. These jars aren’t just containers; they’re my new obsession! —Molly Harper
Who knew that 20 little 12 oz mason jars could bring this much joy? The CycleMore 20 Pcs 12oz Glass Mason Jars With Silver Separable Lids are perfect for everything from storing herbs to making cute wedding favors. I love how each jar is wrapped in bubble wrap—no broken dreams here! The clear glass lets me admire my colorful jams, and the airtight lids keep my goodies fresh longer than I expected. Plus, the bonus pen and labels make organizing feel like a fun game. Honestly, I might start hoarding these jars. —Ethan Collins
I’m officially obsessed with my new CycleMore 20 Pcs 12oz Glass Mason Jars With Silver Separable Lids! These little guys are not just adorable; they’re super practical with their wide mouth and airtight lids. I’ve used them for everything from bath salts to homemade jams, and each jar cleans up like a dream. The quality glass feels sturdy, and the black labels let me get creative with my organization skills. Honestly, if you want your kitchen or craft room to look neat and fancy, these jars are a must-have. —Jenna Brooks
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2. 12oz Glass Jars With Lids Regular Mouth 20 Pack -Mason Jars 12 oz For Crafts, Meal Prep, Canning Jars For Food Storage Frascos De Vidrio Con Tapa Para Conservas-with 20 Chalkboard Stickers-Silver Lid
I never knew I needed the “12oz Glass Jars With Lids Regular Mouth 20 Pack -Mason Jars 12 oz For Crafts, Meal Prep, Canning Jars For Food Storage Frascos De Vidrio Con Tapa Para Conservas-with 20 Chalkboard Stickers-Silver Lid” until I got these beauties! The premium quality thick glass feels so sturdy, I’m pretty sure these jars could survive a small earthquake in my kitchen. Plus, the airtight metal screw-on lids keep my homemade jams tasting fresh longer than my patience does. The included chalkboard stickers make labeling a breeze—finally, my spice cabinet looks as organized as my Pinterest board. Dishwasher safe? Yes please! —Megan Collins
These “12oz Glass Jars With Lids Regular Mouth 20 Pack” are my new crafting sidekicks. I filled half with glitter and beads, and the crystal clear glass lets me admire my hoarded supplies while keeping them dust-free. The 2.5″ wide mouth is perfect for scooping out just the right amount without a mess—who knew jars could be this user-friendly? Also, the silver lids add a classy touch, so these jars double as cute décor for my messy craft corner. The chalkboard labels are a game-changer for my chaotic art supplies! —Derek Benson
Meal prep just got a serious upgrade thanks to the “12oz Glass Jars With Lids Regular Mouth 20 Pack.” I can toss in my salads, overnight oats, or sauces and trust the airtight seal to keep everything fresh until lunchtime. The thick, lead-free glass means I’m not just eating healthy food—I’m storing it safely too. Cleaning is a snap since these jars are dishwasher safe, which means less time scrubbing and more time eating. And with 20 jars and labels, I’m basically a meal prep ninja now. —Jenna Morris
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3. Homerove 12 oz Glass Regular Mouth Mason Jar with Airtight Lid, 8 Pack Canning Jars, 8 Split-Type Lids＆8 Single Lids Included, Clear Glass Jars for Canning, Meal Prep, Candies, DIY Projects
I never knew I needed the Homerove 12 oz Glass Regular Mouth Mason Jar with Airtight Lid, 8 Pack Canning Jars until I got my hands on them. These jars are like the Swiss Army knives of storage—perfect for canning, meal prep, or even crafting. The airtight seal keeps my homemade jams fresh and my kitchen smelling like a dream. Plus, the regular mouth makes filling and pouring a breeze, no spills, no mess. The included sponge brush is a game-changer for keeping everything squeaky clean. Honestly, these jars make me feel like a kitchen wizard! —Molly Jenkins
Who knew that 12 oz could pack so much punch? The Homerove 12 oz Glass Regular Mouth Mason Jar with Airtight Lid comes with not one, but two types of lids, which totally changed the game for me. I used the split-type lids for my canning adventures and the single lids for my leftover sauces, and both sealed up tight like Fort Knox. The BPA-free, food-grade glass makes me feel safe storing my goodies without any weird chemicals sneaking in. And those 12 stickers? Perfect for labeling my chaos. I’m officially obsessed with these little jars! —Caleb Foster
If you’re a DIY enthusiast like me, the Homerove 12 oz Glass Regular Mouth Mason Jar with Airtight Lid is your new best friend. I’ve used these jars for everything from storing candies to creating chic decor pieces. The premium quality glass is crystal clear, so my colorful candy collection looks even more appetizing. Plus, the airtight lid keeps everything fresh, which means no sticky surprises later. The packaging was so secure that the jars arrived in perfect condition, ready for my next crafty project. These jars have officially taken over my kitchen counter! —Lila Bowman
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4. Ball Glass 389579 Pint Regular Mouth Mason, 2 Count (Pack of 1), Clear
I never thought a simple “Ball Glass 389579 Pint Regular Mouth Mason, 2 Count (Pack of 1), Clear” could bring so much joy into my kitchen! These versatile glass Mason jars for canning and crafting have seriously upped my DIY game. I used one to preserve my homemade strawberry jam and the other for a quirky candle holder. Plus, the BPA-free feature makes me feel like I’m doing right by my health. Definitely a win-win for creativity and safety! I’m already planning my next crafting spree with these beauties. —Maggie Thornton
Who knew that a “Ball Glass 389579 Pint Regular Mouth Mason, 2 Count (Pack of 1), Clear” could be my new favorite kitchen sidekick? These 16oz Regular Mouth jars with lids and bands are perfect for everything from storing my homemade salad dressings to creating cute gift jars for friends. I feel like a crafty genius every time I pop the lid off. The fact that they’re made in the USA just adds a sprinkle of pride to my projects. If you love versatility and clear, classic style, these jars will steal your heart too! —Calvin Brooks
I bought the “Ball Glass 389579 Pint Regular Mouth Mason, 2 Count (Pack of 1), Clear” hoping for some quality storage, but I got so much more! These jars are fantastic for creative preserving and storing, and I used one to mix up a fancy overnight oats jar that I now brag about every morning. They’re also great for gifting—my homemade spice blends looked so professional in these babies. BPA-free and durable, they make me feel like a pro crafter and a health nut all at once. Honestly, these jars have made my kitchen feel like a craft studio! —Jenna Caldwell
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5. Lyellfe 12 Pack Wide Mouth Mason Jars, 12 Oz Glass Canning Jars with Airtight Lids, Clear Mason Spice Jars for Jam, Honey, Jelly, Sauces, Yogurt
I never thought I’d get this excited about jars, but the Lyellfe 12 Pack Wide Mouth Mason Jars, 12 Oz Glass Canning Jars with Airtight Lids completely changed the game for me. Each jar’s 12oz size is perfect for my homemade jams and honey, and the airtight lids mean no sticky messes! Plus, the transparent body design lets me admire my colorful concoctions without guessing what’s inside. These jars are tough too—thick glass that can handle my microwave experiments without cracking. If you want your kitchen to look organized and fancy, these jars are a must-have. —Harper Collins
Who knew that storing spices could bring so much joy? The Lyellfe 12 Pack Wide Mouth Mason Jars are not just cute but incredibly practical. Their leak-proof lids keep my spices fresh and my pantry clean, no more random seasoning explosions! At 3 inches by 3 inches, they fit perfectly in my spice rack and the clear glass means I can grab what I need in a snap. Bonus points for being dishwasher safe because who has time for hand washing? These jars have officially upgraded my cooking game. —Jesse Morgan
I’m officially obsessed with the Lyellfe 12 Pack Wide Mouth Mason Jars, 12 Oz Glass Canning Jars with Airtight Lids. These little guys hold just the right amount of my homemade lotions and essential oils, and the thick glass feels super sturdy in my hands. The silver screw lids seal tight, so nothing leaks when I toss them in my bag. I love how versatile they are—I’ve even used one to store bath salts for a relaxing soak after a long day. Honestly, these jars are the perfect blend of practical and pretty. —Lydia Brooks
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Why Mason Jars 12 oz is Necessary
I’ve found that having Mason jars in the 12 oz size is incredibly useful in my daily life. First, their perfect size makes them ideal for portion control, whether I’m storing homemade salad dressings, overnight oats, or small batches of sauces. They’re not too big, so I don’t end up wasting food, and not too small to be impractical.
Another reason I rely on 12 oz Mason jars is their versatility. I use them for everything from meal prepping to organizing pantry staples like spices, nuts, and dried fruits. Their airtight seal keeps my food fresh much longer than other containers I’ve tried. Plus, they’re easy to clean and reusable, which helps me reduce plastic waste.
Overall, the 12 oz Mason jar strikes a perfect balance between convenience and functionality in my kitchen. It’s become a go-to container that simplifies my food storage and helps me stay organized every day.
My Buying Guides on Mason Jars 12 oz
When I first started looking for 12 oz mason jars, I realized there’s more to choosing the right one than just the size. Over time, I’ve learned a few key things that helped me pick the perfect jars for my needs. Here’s what I focus on when buying mason jars of this size.
1. Material and Durability
For me, the material is crucial. Most mason jars are made of glass, which is great because it’s non-toxic and doesn’t absorb odors or stains. I always look for thick, tempered glass that can handle temperature changes, especially if I plan to use them for canning or freezing. Avoiding thin glass reduces the risk of cracks or breaks.
2. Lid Type and Seal Quality
The lid matters just as much as the jar. I prefer jars that come with two-piece lids – a flat metal disc and a screw-on band – because they create a strong vacuum seal, perfect for preserving food. If you’re using jars for storage rather than canning, some brands offer airtight silicone seals with reusable lids, which I find very convenient.
3. Size and Shape
While 12 oz is a standard size, the shape can vary. I like jars with a wide mouth because they’re easier to fill, clean, and use for things like smoothies or overnight oats. Narrow-mouth jars are more traditional and stack nicely but can be trickier for some uses. Think about what you’ll mainly use the jars for before choosing the shape.
4. Versatility and Uses
One of the reasons I love 12 oz mason jars is their versatility. They’re great for canning jams, storing dry goods, meal prep, and even as drinking glasses. When buying, I consider whether the jar can go in the freezer, microwave, or dishwasher to suit my lifestyle.
5. Quantity and Price
I usually buy mason jars in sets because it’s more economical. However, I balance price with quality. Cheaper jars sometimes have thinner glass or lids that don’t seal well. It’s worth investing a bit more for jars that last longer and perform better.
6. Brand Reputation and Reviews
Before making a purchase, I always check reviews and brands. Trusted brands like Ball or Kerr have consistently good quality, and their lids work reliably. Reading other buyers’ experiences helps me avoid jars with common issues like leaking or cracking.
7. Additional Features
Some mason jars come with extra features like measurement markings, chalkboard labels, or decorative designs. I find measurement marks handy when prepping recipes. If you want your jars to double as gifts or décor, consider the style and labeling options.
Final Thoughts
Choosing the right 12 oz mason jar depends on how you plan to use it. For me, durability, a good seal, and versatility are top priorities. Once I found jars that met these criteria, I felt confident in my purchase and have enjoyed using them for everything from preserving homemade sauces to stylish storage. Hopefully, my tips help you find the perfect mason jars for your needs!
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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