Tupperware Season-Serve Marinating Container Ideal for thoroughly marinating meat, fish, vegetables Seal locks onto base so container can be flipped without leaking Raised grids in bottoms of base and seal ensure marinade envelopes food Measures 12-1/2 inches long, 10-1/2 inches wide, 4-1/2 inches high Lifetime warranty against chipping, cracking, breaking, peeling