The KeaBabies Prep Glass Baby Food Jars with lids are airtight and leak-proof, ensuring that food stays fresh and prevents spills while on the go! These versatile 4oz baby food containers are dishwasher-safe, freezer-safe, and microwavable, making it the perfect homemade baby food storage solution. - Set of 12 durable & stackable 4 oz glass baby food containers   - Baby food jars with 3D non-fading measurement markings for easy portion control - Airtight and leak-proof puree container lids suitable for pureed and liquid food - Microwave, dishwasher, and freezer safe baby bullet storage - BPA, Lead, Phthalates, and PVC free baby feeding supplies