Features: Sponge filling and pure cotton cloth cover. Multi-function pillow which can help soothe lower back pain or arthritic joints. The pillow gently straps in place and molds to your shape. It fits for when you lie on the side clamp knee, ankle pads, wrist pads, prone head pad, and so on. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you order.