This dental brushes are made of PP and TPR for handle, 610 φ0.18 nylon for brushes, and it's recommended by dental professionals for the daily care of removable dentures and acrylic retainers.The dental brushes consists of two differently configured brush heads: a flat bristled head for smooth surfaces and a single-tufted head for hard-to-reach areas. It's great giveaways for street events, senior citizen activity center, dental hospital and so on. Contact us to learn more.