4 Piece Tupperware Modular Mates Rectangle Set with Black Seals. Sizes 1, 2, 3, & 4 Rectangular #1: 8-1/2 cup capacity, 7-3/8" wide x 11" long x 2-1/4" high Rectangular #2: 18 cup capacity, 7-3/8" wide x 11" long x 4-1/2" high Rectangular #3: 27-1/2 cup capacity, 7-3/8" wide x 11" long x 6-3/4" high Rectangular #4: 37 cup capacity, 7-3/8" wide x 11" long x 9" high Virtually airtight seals ensure moisture-proof, bug-proof storage so foods stay fresh longer; dishwasher safe