Preserve consulted closely with dental professionals to create a toothbrush that gets your teeth cleaner but minimizes your impact on the environment. The design includes a curved handle for those hard-to-reach places and a three-level bristle arrangement to massage your gums. And while the bristles are brand new, the handle is made from recycled yogurt cups. Made with LOVE and recycled yogurt cups Handle created with 100% recycled #5 plastic; bristles are new nylon Easy-to-grip curved handle Tiered bristles for gentle, thorough cleaning