Silicone ice cube box , made of 100% food grade material , non-toxic ,temp. resistant from -40 to +230 1) Silicone ice cube box With high quality food grade silicone materials , FDA&SGS certificate. (2) Temperature range from -40 to 220 centigrade. (3) Tasteless, Nontoxic, Anti-dust, non-sticking, impermeable,easy to wash. (4) Safe to use in dishwasher and freezer. (5) It is high elastic and ...