Come and Check Our Promo Solutions.It is made of ABS and silicone. This brush is ergonomically designed. It was a sturdy handle which fits your fingers for increasing the grip force although it wet. When use the massager brush in your hand, you can apply the perfect pressure to use on any part of your body you can reach. Manual operation, waterproof, no battery required. Perfect for various hairstyles from thick to thin, short or long, and no matter wet or dry, even to groom hair of your pets. Great for all kinds of people. Taking shower with this soft shampoo brush makes your hair and scalp cleaner than before. 3 3/8"L x 2 3/4"W x 2 15/16"H. Additional charges may apply. Pls check inventory and detailed info with us before placing your orders.