Sleep in a side position or lie on your back reduce stresses on your spine, prevent hip, lower back and knee joints pain, and feel more relaxed when you wake up the next morning. EBUNG KNEE SUPPORT PILLOW - Helps support the natural curves of your lower back and achieve a spine alignment that doesn't put undue stress on it - Helps prevent/relieve the pain in lower back, hips and knees - Soft enough to feel comfortable between the knees but stiff enough to provide the necessary support for alignment correction thanks to the optimum density of our memory foam - 100% visco-elastic memory foam embraces the natural contours of your body and feels natural - Allows for reasonable air circulation and significantly reduces any risk of heating up - Easy to main high level of hygiene with the help of included removable & washable pillow cover - Hypoallergenic materials reduce any risk of itching, annoyance, or irritation - Superior quality design that is expected to perform new-like in the long run - Thoughtful gift for a pregnant women or someone who has undergone a hip or knee surgery sure to prove very helpful - More importantly, we don't need to assure you of the quality with a guarantee because with us, you just get the best