Wean Green Glass Food Storage Containers, Lunch Bowl 12 ounces, Garden Pack (4 pack) Mircowave, dishwasher, and freezer safe Scratch, stain, and odor resistant tempered glass Watertight and airtight lid with integrated silicone seal keeps food fresh Easy to open and close snap lock lid, perfect for even small hands to open with ease. Free from BPA, PVC, Phthalates, and Lead Free of nasty chemicals (BPA, PVCs or phthalates that may be harmful to your child) 4-5 times stronger than regular glass Dishwasher, microwave and freezer safe Impermeable glass will not stain 100% recyclable glass (infinitely) Smart clips lock in freshness and make it easy for little hands to open<br> Silicone seal prevents leaks and keeps food airtight<br> Wean Cubes are the perfect size for freezing homemade baby food<br> 4 colors to brighten the fridge, freezer and lunch bags<br> Lids are durable and have passed the &#034;use&#034; test over 3 million times per tab