20pcs Crystal Upholstery Nails Tacks Studs Sofa Wall Decoration 0.79 x 1.3inch Crystal Upholstery Nails Material:Glass diamonds,metal Dimension:20 x 33mm/0.79 x 1.3"(Dia Suitable for crafts, headboards, leather beds, sofas, decoration, home makeovers and many other uses.