Thermo-Plate™ Platter Base Only, for model OT11SS, small, rectangular, stackable, polyester, dead air space for temperature retention, black, hand wash. Holder constructed from polyester. Stackable. Service Ideas, Inc’s original Thermo-plate™ platter technology keeps hot foods hot and cold foods cold. The bakelite thermo plate holder is ideal for steaks, pasta, seafood, poultry, sandwiches, omelets and ethnic presentations. Lightweight polyester holders provide strength and durability and can greatly reduce replacement costs of broken china.