The Service Ideas RT10BL Sizzle Thermal Platter Underliner is designed for optimal temperature retention and presentation. This 12" round Thermo-PlateĀ® platter base is compatible with the RT10SS model and features a unique dead air space that enhances heat retention. Made from durable black polyester, it is stackable for easy storage and dishwasher safe for convenient cleaning. Each unit is sold individually, with 12 units packed per case, making it an efficient choice for any food service operation.