Black and Silver Crystals Wrap Bracelet Genuine Black Leather Handmade 5 Multilayer 4mm Beads Woven Bangle The closure has a silver tone metal button. 3 Adjustable Loops. The Size of the Crystals is 4 mm, and they are manmade. Crystal are Faceted Cut. Length(inch): 33 Aprox, normally you can do at least five layers & Weight(g): 22.3 gr. Hand-Knotted with a soft black leather, and black thread. It is available in 3 layers All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.