SILICONE ICE TRAY MATERIAL: 100% FOOD GRADE SILICONE RESIST TEMPERATURE:-40 - 260 DEGREE CONFORM TO FDA & LFGB STANDARD SILICONE ICE TRAY IS 100% FOOD GRADE MATERIAL, TEMPERATURE RANE:-40 - 260 DEGREECONFORM TO FDA & LFGB STANDARDFLEXIBLE, NON-STICK, NON-TOXIC,DURABLE, DISHWASHER/OVEN/FREEZER SAFE, SILICONE ICE TRAY