Home Value Acrylic Square Airtight Storage Canister Containers, 4 Piece Set, Clear 4 Piece square airtight dry storage system container set BPA Free. Shatterproof. Dishwasher safe Approx. Size (inches): 4.5 Easy to stack. Flip ring up to open, or down to lock and seal Capacity of each container (ounces): one of 33, two of 57, one of 77