Adorable Ninja Driver. One piece design. Never lose the cap. Coat changeable. Washable silicone (not including drive). Life time warranty. One Piece Design The cover and coat are made in just one piece, which can avoid the missing of the cover. The coat can protect the internal core of the USB flash drive, avoiding the dirt, the coat can be washed with water, so it could be clean, the outlook can also be changed. Micro Pattern Using micro pattern, the surface can show three-dimensional patterns and would not lose colors. 100% Bio-degradable Using the environmental friendly materials, which can be decomposed in the nature. Dimension Size: 48x45x18mm Net Weight: 13g