Size: L47CM*W3.5CM Material: bamboo Usage: This bamboo back-scratcher is made of 100% bamboo . Bamboo is one of the fast growing plant in the world and become mature plant just in couple years. It means bamboo is a sustainable resource. There is a bamboo rake on the top for scratching and four massage beads at the bottom for relaxing muscles, relieving stress and improving the blood circulation. It is varnished . Packing: 100pcs/ctn or as your requested Certificates: ISO9001,SGS,FSC