Pointed back rhinestones with mutifaceted cut and a pointed foil back bottom. Strass chaton perfect for repair and replacement stones in antique metal, plastic, wood. Even glass material for the jewelry, ornament, artworks and so on. It also can be put on the setting. like the cup chain rhinestones, sew on in setting crystal. As well as crystal rivet, preset rhinestones and buttons. We just show a few colors and sizes in our website. Want more colors or sizes, just email to us or leave a message. Besides, welcome to visit our factory or office in Guangzhou China. Now, following is their size introduction: PP (Pearl Plate) is a method of sizing originally used for pearls by placing them on a surface or plate with holes. The pearls were sized by which holes they fell through. PP is usually used for smaller stones. Pearl plate has a variance of 1/10 of a millimeter. SS (Stone Size) is the most current method of rhinestone sizing, although PP is still used. Some stones will have both a PP and SS size on package label.