ROYALAY Back Decompression Devices for Adult, Bulging Disc Lower Back Relief with Different Height, Spine Decompression with Strong Support Foam

["Spinal Stress Relief: Our pillows are specially designed for spinal relaxation. By lying on the ground and raising your legs, you can reduce the pressure on the intervertebral discs and relax the muscles.","Three Height Options: Our pillow measures 19.7x17.7x15.8in and can be flipped over to different sides to reach the height of a cuboid, thus enabling various height options.","Multi-scenario Application: Our pillows can be used to help relax the legs, stay upright while sitting on them, and exercise the back muscles. They can also serve as yoga pillows to assist in practicing various yoga poses.","Half-moon Pillow Design: The half-moon pillow at the bottom of the pillow can be removed and placed on the waist, neck and other positions to enhance comfort. It can also be used directly as a leg pillow on its own.","High-quality Filling: Our pillows are filled with 25D high-density foam, which has excellent load-bearing capacity. Note: This product is transported in vacuum packaging. Please open it and leave it for 48 to 72 hours after receipt, then pat it to help restore it."]