1.Tape Material:Polyester,cotton,nylon 2.Material:iron,nylon coated wire,brass, tainless steel 3.All colors 1.material:nylon,polyester,cotton2.spec:1*3 1/2",3*3 1/2",2*1 3/4"2*2 3/4"...3.Hook and Eye Material:iron,nylon coated wire,brass, tainless steel 4.All colors Hooks & Eyes with Fabric for Bra