This Anchor Hocking TrueSeal Clear Glass Food Storage Containers 19 Piece Set contains made with Tempered Glass which is up to 100% stronger than regular glass. It contains: (1) 7 Cup Round, (2) 3 Cup Rounds, (3) 2 Cup Round, (2) 1 Cup Round with (1) Dry Erase Marker. It is Microwave Safe, Oven Safe, Freezer Safe, and Dishwasher Safe. Lids are dishwasher top rack safe. TrueSeal Food Storage Containers are perfect for prep, bake, and store all-in-one! Our TrueSeal BPA-free lids are designed to prevent leaks. Anchor Hocking glass is and is backed by a 5 year warranty.