Size:9*7cmUsage: used for shampooing, scalp massageDeep care massage scalp.The hardness of the brush teeth are moderate, not to hurt the scalp.Silicone massage contacts, simple operation.No deformation, good toughness, not easy to break, feel comfortable.Material: environmental EVA+PPHas a good massage effect, promote blood circulation, prevent hair from losing.Package Included:1 * shampoo brushNotes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measuring deviation due to manual measurement.