The handle of this wooden toothbrush is made from a complete piece of original bamboo, which is waterproof, sturdy and gripped smoothly. The bristle is made from soft nylon, dyed by food coloring acid dye which is non-caustic, safe to our body. Lead us a more natural and healthier way to keep our teeth bright and white. Price includes one location laser engraving. 6 4/5'' x 3/5'' x 1/5''.