Need to be very high quality and have one end sealed, not hollow throughoutMaterial:MetalStopper Type:Cord EndTechnics:PlatingSize:2*0.8cmFeature:Nickle Free Lead FreeMaterial:Zinc alloySamples:can provNot fade keep color long timeSurface:Without rust antioxication:Garment bag shoesEuropean standard:can touch bodyDelivery time:10-15 days