This Adult Soft Bamboo Fibre Toothbrush made of Eco-friendly material is,safe to use.will not hurt your teeth. Woooden handle,anti-skid, 100% brand new and high quality. organic, Natural and Biodegradable with BPA Free BristleYour toothbrush builds up a large number of bacteria, so common sense practices also suggests to replace your toothbrush every 3 months. It is also a good idea to replace your toothbrush after getting over a illness. Keep the earth green Almost 50 million pounds of plastic toothbrushes make it to our landfills every year. All that plastic can take up to 1,000 years to decompose and can even leak pollutants into the surrounding soil and water. WHY We Use Bamboo to make Toothbrush Bamboo is environmentally friendly because it grows super fast, over a yard per day that's over 3 feet every single day, plus bamboo can grow in close proximity to each other.