1,100% food-grade silicone material, harmless 2,Working temperature range: -40 230 degree, keep soft 3,More durable, longer lifetime, non-stick finish 4,Various shape design, any color and size are available 5,Customized LOGO silkscreen, OEM orders are welcome We can make the moulds for you and welcome your design. Moreover, logo printing, embossing and debossing service are available.