About this itemLonger&Wider Bone Curves Design:The longer knee pillow for side sleepers with deeper bone curve structure could better wrap around the thighs,and support the thighs, knees, and calves simultaneously.The wider knee pillow is designed to better support for leg bending during natural sleep.With ergonomic professional and thoughtful design,knee leg pillow is perfect for side sleepers,especially the elderly,pregnancy,recovery and obesity groups.Adaptable to Multi-Positions:The adjustable strap of leg pillow for side sleeping ensure the pillow stays in place, good for healthy sleep posture,allows you to feel free to change your sleeping positions. So you can feel truly relax and enjoy restful sleep in the whole night.Help Relieve Pain&Discom.