- ERGONOMIC CURVE DESIGN: The heart-shaped wedge fits the body's natural curves, keeping legs and knees in alignment when sleeping on your side. This position supports the hips and spine, promotes circulation, and can help relieve pain in the back, hips, knees and ankles. It may assist with post-op recovery, sciatica, and pregnancy discomfort. - SLEEP BETTER AND IMPROVE POSTURE: Provides ideal spinal alignment and support. Place it under thighs, calves, knees, head, or neck. The curved edges fit between your legs and knees for comfortable positioning, helping you wake feeling refreshed. Suitable for men, side sleepers, and pregnant women. - PREMIUM MEMORY FOAM AND WASHABLE COVER: High-density memory foam offers durability and shape retention. No additives. The breathable jacquard cover is soft and resists shrinking and pilling. Remove the memory foam via zipper and wash the cover by hand or machine. - ELASTIC BAND DESIGN AND DUAL-USE: An elastic strap prevents slippage while you adjust or maintain your sleeping position. It can also be used strap-free by moving the strap to the top. - USE SCENARIOS: Ideal for side sleepers needing leg and knee alignment; useful during pregnancy to ease leg and pelvic discomfort; helpful for post operative recovery to reduce pressure on the lower body. Also suitable for anyone seeking better spinal support during sleep.