... steel, steel tube, steel rod, aluminium , brass, zinc alloy and etc.Accessory material:PVC,eco-friendly silicone,cotton ... surface treatment and assembly,tapping.Surface disposal:powder coating, zinc plated, nickel-chrome plated, painting, heat treatment and ... , gun, bronze, chrome, copper, antique gold, etc. are availableFeature:eco-friendly,washable,nickle-free,lead-free,dry-clearing, not easy ...