The shampoo brush has a perfect grip handle, which fits your hands comfortably (manually, without batteries, waterproof) The scalp massager uses soft thick silicone bristles to stimulate blood flow into the scalp and oil glands (deep cleaning and exfoliation) scalp muscles and reduce stress ( ) No need to worry about your nails being too long or your scalp too (for all hair types) Buy one and your scalp treatment colour:blue Material: size:8*8*6cm Package Contents: 1 * scalp bath massager Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.