Material:GPPS plasticSize:8.66inch(L) x 2.75inch(W)Scalp Massage: Air cushion massage comb with venting holes to promote blood circulation and relieve fatigue.No More Detangle: This detangling brush gently flows through your hair without causing any pain or discomfort. Minimize friction, eliminating static and frizz while detangling effortlessly. It’s ideal for all kinds of hairs both dry and wet including thick, wavy, curly, straight and more.Great for hair extensions and wigs.How to clean your hair brush: 1. Use the teeth of the comb to remove hair, raking them through the bristles and lifting the hair up and out. Discard the hair.2. Shampoo your brush. Holding the handle, swirl the head of the brush around in a bowl of warm water.3. Put a few drops of gentle shampoo on the bristles of a toothbrush and use the toothbrush to scrub the bristles and base of the hairbrush.4. Rinse the brush by swirling it around in the bowl of clean water.5. Place the clean, wet brush on a dry towel with the bristles facing down to dry overnight.