Features 1. Relieve Hip Pain: Sleeping without proper support may cause or worsen pain in the back, buttocks, and knees. 2. Slow rebound memory cotton core, soft and pressure relieving, with strong support. 3. Improve Blood Circulation: Spine alignment pillow can help keep your body level, allowing blood to flow evenly. 4. Spine Support Leg Pillow: Features a leg clamp design that fits into the leg groove, increases stress distribution, elevates the side profile, and includes straps to secure the legs and prevent slipping. 5. Enjoy High-Quality Sleep: Good sleep is essential for restoring energy. Knee pillows can assist lateral sleepers by maintaining natural spinal alignment when placed between the legs. Specification Product Core: Slow rebound memory foam Material: Cationic Fabric Color: Navy, Gray, Yellow, Pink, White, Blue Size: 25 x 23 x 13 cm Weight: 330 g Package Include: 1 x Alignment Pillow