About this product: Orthopedic knee braces provide excellent support and can significantly improve spinal alignment, helping to relieve back, hips, legs, knees, arthritis and sciatica, as well as improving blood circulation in the both legs. Elastic band design: The leg cushion maintains the best sleeping posture all night long, and it won't suddenly fall or slip. Use the right method to relieve pain in the back, hips, knees and ankles. Simply put it between the thighs or below the knees to help relieve your specific pain. It can be used as a knee spreader during pregnancy or after recovery. It is also convenient to use while traveling. This memory foam cotton knee pillow has a washable cover for easy cleaning. Advanced High: High Density Memory Foam: 100% high quality durable memory foam, comfortable for a long time, better than other pillows. It will not flatten over time. VENTED MEMORY FOAM PILLOW: Unlike traditional memory foam pillows which are designed to absorb your body heat in order to compress, the ventilated air holes in the memory foam promote the circulation of the air throughout the night. Product Description: Colour:Blue. Features: Material: Polyurethane. Interior: cotton with shape memory. Memory foam, slow rebound material. Dimensions: approximately 25 x 23 x 13 cm. Weight: approx. 320 g. Elastic strap: The knee pad is designed with an elastic strap. You don't need to worry about the knee pad falling off your leg while you sleep. High density memory foam: Our pillow is made of premium breathable memory foam. It can provide lasting comfort for a good sleep. Content: 1 cushion for the legs.