Service Ideas' original Thermo-Plate technology keeps hot food hot and cold foods cold. Platters are ideal for steaks, pasta, seafood, poultry, sandwiches, omelets and ethnic presentations. Use the divided half plates for combinations of hot and cold presentations. Lightweight polyester holder provides strength and durability and can greatly reduce replacement costs of broken china. Continuous support flange traps hot air, sturdy holder designed for strength and durability, dead air space for heat retention.