OXO Good Grips 8 Piece Smart Seal Glass Round Container Set Set includes one 7 cup glass container and lid, one 4 cup glass container and lid, one 2 cup glass container and lid, one 1 cup glass container and lid Smart Seal Glass Containers are made from shock resistant pressed borosilicate glass that is oven, freezer and microwave safe Containers are nestable and stackable for convenient compact storage Lids are interchangeable between Smart Seal Plastic Containers and Smart Seal Glass Containers of the same size The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us to repair or replace it. Were grateful for the opportunity to learn from your experience, and well make it better. Lids are interchangeable between SNAP Plastic Containers and SNAP Glass Containers of the same size