two holes for attaching onto garments etc., This square shaped sew-on crystal of a foiling backing is one of the most popular styles from Sew-on collection.The rounded edges on the hole entry and exist areas guarantee thread protection.Available in a limited size and color combinations. Perfect for adding stylish to your fashion artwork. Perfect for Dancers, Skaters, Costumes, Belts, Shoes, Purses, Crafts,eveningwear or bridal ornaments.