After normal wear and tear, your bristles start to get worn out creating a less effective toothbrush. But clinical studies show that worn out toothbrush removes less plaque than a new toothbrush. Your toothbrush builds up a large number of , so common sense practices also suggests to replace your toothbrush every 3 months. Our bamboo toothbrush set is a perfect present idea for friends and family. Features - Brand: ROSENICE - Color: As shown. - : Bamboo and nylon wires. - Size: 19 x 0.7 - bamboo handle with ergonomic design, easy to use. - Strong cleansing ability, discoloration caused by coffee, tea, red and cigarette smoke can be removed effectively and teeth can be brighten up. - No pollution, the environmental toothbrush can be disposed safely by returning it to earth in compost or landfill. - Performs an important part of maintaining healthy gums for oral care. The , extra bristles protect your gums from bleeding or scratching can brush easily and safely, which makes it Perfect for gums. Package list: 4 x ROSENICE Bamboo Handle Toothbrush