waterproof flame retardant webbing ( flame retardant synthetic plastic coated webbing) be made of flame retardant synthetic plastic coating with a Kevlar webbing inside. These flame retardant plastic coated webbing are durable, anti-dirty, waterproof and fireproof , which have a good flame retardant function. Usually be used as the hand strap in the interior accessories of the passenger bus, train, multiple unit train, MTR train. Common specification including: W20mm*T3mm, W28mm*T3mm,W25mm*T3mm.