rubber material,stuff,mat's material,silocone,nbr,epdm,Neoprene,viton,eco,AEM, ... durable,tasteless 2.flexible ,easy to remove and useful4.Material:made of 100% food grade silicone(FDA,SGS..) ... Clear, White, Red, Blue and so on)and material are optional. 10.Silicone,Viton,Neoprene,Hypalon, plastic products ... PC,nylon,ABS,HNBR,EPDM,ACM,ACM,CR,NBR,NR etc.11.FDA ,EEC, LMBG approved12.Duro ...