The Lunix LX5 4-Piece Orthopedic Bed Wedge Pillow Set is designed to improve comfort and support during rest and recovery. Each wedge pillow is made with high-density memory foam that molds to your body for better pressure relief. The adjustable design with a Velcro strap keeps the bed pillow in place and fits users of different heights. This orthopedic pillow set helps align your spine reduce muscle strain and support full-body relaxation. Use it as a leg pillow knee pillow or pillow wedge for better sleep posture. It?s ideal for post-surgery recovery acid reflux relief or daily use. The set includes a hot and cold gel pack for added comfort. These wedge pillows for bed can be used on beds sofas or floors.