Material: Made Of Metal | | Size: 2.5 X 15Mm;Fits 2 Mm Elastic Cord | | Package: 100 Pcs; Color: Silver | | Easy To Use, Simply Feed The Barbs Through Holes To Bind Or Fasten | | Used For Fastening Folders , Binding Menus Or Books, Hanging Signs Or Banners, Making Elastic Straps | |