silicone cord 1)100% top food grade silicone, nontoxic . 2)Strong toughness,durable and washable 3)Heat-Resistant up to 240 degrees centigrade 4)Various colors are available. 5)Diameter range: 12mm.14mm,16mm,18mm,20mm 6)Easy to be cleaned 7)Competitive price and the best service will be provided to you. 8)Customer designs welcomed. 9)SGS/ROHS/FDA report available