Mcupper 12 oz Mason Jars 20-Pack with Silver Lids — Regular-Mouth Glass, Airtight Seal

These are 20 durable 12 oz Mcupper mason jars with silver screw-on lids and plastisol liners that provide airtight, BPA-free storage for canning, pantry organization, crafts, and gifts.

Whether you’re preserving summer fruit, packing overnight oats, assembling wedding favors, or organizing pantry staples, a reliable set of jars makes everyday tasks easier. Mcupper’s 12-ounce regular-mouth mason jars combine food-safe glass construction with convenient lids and bands so contents stay visible, fresh, and spill-free. This product description explains what’s included, how the jars perform, practical uses, and who will get the most value from them.

What do I get in the 20-pack and what are the jar dimensions?

This set contains twenty identical 12-ounce clear glass mason jars, each paired with a silver-colored metal lid and a matching band. The jars use a regular mouth opening of approximately 2.75 inches, which balances easy filling with secure sealing for both wet and dry goods.

• Quantity: 20 jars, 20 lids, 20 screw bands
• Capacity: 12 fluid ounces (about 355 ml)
• Opening: Regular mouth, ~2.75" diameter
• Material: 100% food-grade, BPA- and lead-free glass

How airtight and leakproof are the Mcupper lids for storing food?

Each jar uses a metal screw-on lid with a plastisol liner that creates an airtight seal when tightened, helping prevent spills and extending the life of refrigerated and pantry items. The design is suitable for everyday storage and short-term preservation, and the lids are easy to remove for serving or refilling.

• Sealing: metal lid with plastisol liner for airtight closure
• Leak resistance: designed to prevent drips and spills during transport
• Best use: refrigerating, pantry storage, gifting, and light canning at home

Are these jars easy to fill, clean, and reuse?

Yes — the regular-mouth diameter makes filling with solids or liquids straightforward, while the clear glass provides high visibility so you can identify contents at a glance. The jars are dishwasher-safe and can also be washed by hand; a bottle brush reaches the bottom for thorough cleaning before reuse.

• Filling: wide enough for fruits, sauces, snacks, and overnight oats
• Cleaning: safe in most dishwashers; handwashable with a brush
• Durability: sturdy glass construction for repeated use

How versatile are these mason jars for projects beyond food storage?

Mcupper 12 oz jars are designed to support a broad range of household and crafting uses. Their consistent size and neutral appearance make them ideal for gifting, DIY candles, cosmetics, organizing small hardware, or displaying craft supplies at events.

• Crafts: candles, bath salts, lotions, and homemade beauty products
• Events: wedding favors, party treats, and table décor
• Organization: spices, buttons, screws, and office supplies

Who is this for: This 20-pack suits home cooks, small-batch preservers, crafters, event planners, and anyone who needs consistent, food-safe containers for storage, gifting, or organizing. If you want clear, reusable glass jars with dependable lids, a regular mouth that’s easy to fill, and enough quantity for meals, parties, or projects, these Mcupper mason jars are a practical, economical choice.