Description: FOR ALL HAIR TYPES: Manual operation. Waterproof, no battery required. for various hair styles, long or short, thick or thin, wet or dry, straight or curly, even the hair of animals.SOFT MATERIAL ; DEEP CLEANING - Durable soft silicone massage brush, reduce bacteria, avoid contacting the scalp directly with the nail and scratching the scalp. Triangle brush teeth, better fit the head, can deeply clean the hair roots.COMFORTABLE DESIGN AND PORTABLE – Compact size, fits in the palm of your hand for a firm hold and super lightweight for travelling.MASSAGE ALL YOUR STRESS AWAY – Massage and relax your scalp and head, reduce dandruff, help to relieve your tension and daily working stress.MULTIFUNCTIONAL - Suitable for men, women and kids, and it also appropriate for all hair types. It can be used for scalp scrubbing or body washing massager in shower, or as a scalp massager to massage your scalp, neck or body in a dry state or after shampooing.Specification:Material: ABS PVC, SiliconeLength: (approx.) 9 cm/3.5 inchesWidth: (approx.) 7.8 cm/3.1 inchesHeight: (approx.) 6.8 cm/2.7 inchesPackage Includes:1 Piece Hair Scalp Massager BrushNote:Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you!