Waterproof and durable silicone sealing ring 1.Color is multicolor 2.100% silicone rubber 3.Any size can customized Waterproof and durable silicone sealing ring1.100% silicone rubber,ware-resistance and durable,non-toxic,harmless to body2.Leak resisitance,heat-resistance.3.Excellent flexibility and anti-compressive deformation,chemical resisitance.4.The specification,size,color or packing ...