FREEZABLE, MICROWAVEABLE & STACKABLE: These 4 oz mini mason jars are ideal for preserving food since they're freezer and oven safe. You can microwave to sterilize and add labels too. Stack 'em up to save space or use them as containers for small things.

AIRTIGHT BPA-FREE JARS: Don't underestimate these glass jars with lids because they can be used for anything, even as canning jars. They're wide mouth mason jars and airtight to lock in fresh food, store and preserve. 4 ounce capacity is ideal for baby food, pickle, honey, jam, jelly, fruit and candy. Also a good kitchen storage container for salt, sugar, sage, spices, supplies and so on.

DECORATIVE & PARTY FAVORS : The vintage hexagon crystal style makes these small mason jars perfect decorations and party favors. Anyone will love these glasses in their pantry and organizer. Aside from treats, you can also fill them with candles, or use them as decor for wedding, baby showers and more.

QUALITY CHECKED REASSURANCE: Avoid disappointment with our mini mason jars with stainless steel airlock lids. They come in bulk, 12-piece set to be exact. Each one has a precise cut and dimension of 2.4" wide + 2.6". We ensure durability and safety in every one of these reusable bottle glasses.

100% SATISFACTION GUARANTEE: Nellam is a USA family-owned business and your satisfaction is our priority. We provide a 30-day no questions money back guarantee, and 12 months manufacturer's warranty for these BPA free 4oz glass jars with airtight lids. Just ask hundreds of our happy customers!