Owfeel 100pcs 12mm Heart Shape DIY Metal Studs 3 Prongs Spots Nailheads Spikes for Bag Shoes Jeans Bracelet Silver Material:Metal Leathercraft DIY silver metal Studs. Work amazingly easy with jackets, denim and leather. Ideal for decorating your bags, belts, leather bracelets, shoes, coats, gloves, etc. Fit standard dies, or are easily set by hand on leather and fabrics.