Made of 100% silicone material Reasonable price with high quality OEM order is welcome 2011 YC silicone bakeware1. Made of food silicone, non-toxic to human and environment 2. Various colors, styles and sizes are available 3. Withstand -40 to 220 centigrade 4. Durable, healthy, anti-dust, water resistent, easy to clean and handle 5. Welcome logo and customer design