... clean. 3. Safe to use in oven, microwave. food grade silicone bread baking tins Key characteristics1).Safe and non-toxic, made of ... 100% food-grade silicone, FDA & LFGB approved. 2).Temperature Range: -40ºC to + 230 ... have already had 9-year experience in producing various of silicone bakeware,kitchen tools,industry part etc,99% products are exported ...