Product parameters: Material: memory foam + chemical fiber Color: gray / blue Size: 25 * 23 * 13cm Shape: heart-shaped Packing list: 1x orthopedic pillow Product description: Viscoelastic pillow: designed to be placed between the legs and support the knees to correct the posture of the spine during sleep, thereby avoiding pain and nerve compression. The design includes a central ventilation hole and an elastic band so that you can adjust it to your legs. Adjustable to the body: The memory foam of the pillow enables it to adapt perfectly to your body. Its shape is specially designed for side sleepers who place the pillow between their knees. Pain relief: Using this pillow while sleeping can avoid pressure caused by pressure points on the legs and knees. With this, people who suffer from sciatica, knee pain, back pain, etc. can sleep comfortably and relieve pain. Breathable and washable: The foam of the cushion is covered with a very soft polyester cover, which you can remove and wash at any time with the help of a zipper. There are ventilation holes both in the cover and inside the foam to ensure air circulation and prevent you from sweating while sleeping. Posture Correction: It is common that we do not adopt a good posture when sleeping, which causes us not to rest well or even wake up in discomfort. With the leg pillow, you can correct your posture and rest comfortably.