Humble goes electric! Made with 88% less plastic than conventional alternatives, these bamboo electric toothbrush heads from The Humble Co. make it easy to reduce plastic waste from your daily routines. The heads are largely made from 100% biodegradable, sustainably grown bamboo with a natural wax coating, and tapered, BPAfree, nylon6 bristles from DuPont. Packaged in environmentally friendly packaging. The box and inside wrapper are made from 100% recycled materials and are 100% biodegradable. As with all The Humble Co. products, it's 100% vegan & crueltyfree and each purchase directly funds health and sustainability projects in vulnerable communities all over the world through the Humble Smile Foundation. Humble Brush lasts just as long as a conventional plastic toothbrush. Dentists recommend replacing your toothbrush every third month and after being sick. Store in a dry place between usage. When you want to change the world, there are no shortcuts. Based in Sweden, The Humble Co. has been leading a revolution to make sustainable personal care products the norm since 2013. For compatibility, please pay this site a visit. Made to work with Philips Sonicare electrical toothbrushes. Philips? and Sonicare? are owned by a third party without any affiliation with The Humble Co. Sustainably grown bamboo based head uses ~88% less plastic than conventional heads Compatible with most Sonic toothbrushes Durable Nylon6 bristles by DuPont Developed by dentists & designed in Sweden Vegan & CrueltyFree Certified