... can be, EPDM, natural rubber and other materials produced, the use of a wide range (for example, to seal the bottle,), food or ... ,durable,tasteless,flexible ,easy to remove and useful2.Material:made of 100% food grade silicone(FDA,SGS..)3.Different specifications and ... ,NR etc.11.FDA ,EEC, LMBG approved12.Duro: from shore A 8 to 95lock ringsilicone bakeware,rubber,rubber processing parts,rubber ...