Four locking tabs secure the foolproof, leakproof lids
Durable borosilicate glass containers designed to go from freezer to oven
Smart Seal glass containers nest and stack for convenient and compact storage
Lids are interchangeable between the same size glass and plastic Smart Seal containers
Removable silicone seal is easy to clean
Oven, microwave, freezer, and dishwasher safe
Borosilicate glass is naturally BPA free and stainproof