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 balanced, allowing blood to flow evenly and supporting better circulation. 4. Leg Support Pillow: Features a contoured design that fits into the leg groove, increases surface contact, elevates the legs slightly, and includes adjustable straps to secure the pillow in place and prevent shifting during sleep. 5. Enjoy High-Quality Sleep: Proper sleep posture is essential for rest and recovery. Knee pillows can assist side sleepers by maintaining natural spinal alignment and reducing strain. 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 Includes: 1 x Alignment Pillow