... requirements such as multicolored embossed, debossed, Silk-printing, etc. Silicone sealing rings is durable and tensile ,heat-resisting and cold ... Non-toxic, not craze, long service life, not irritate the skin, more flexible , and anti-static, non-stick scraps and ... for mould making. Features:1.100% high quality food-grade silicone rubber material. 2.Certifications:ROHS3.Eco-friendly, waterproof and ...