Features:_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_1.Relieves Back Pain-Laying on the pillow will quickly relieve your constant back pain caused by stiff muscles, herniated discs, sciatica, scoliosis, bulging discs, spinal stenosis, and pinched nerves Give yourself the most heavenly, relaxing, back popping stretch your back is craving for._x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_2.Restores Natural Curvature -Restores that healthy, strong, naturalcurvature of your back. Giving you a healthier, confident, and more attractive look Corrects Posture -Easily fixes postural imbalances preventing tired muscles. Which means more eneray to spend on things that actually matter to you_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_3.Improves Flexibility -Enhance your flexibility by decompressing your back while enjoying a deep sleep. Relieving your back pain and tired muscles after the first night Get that sweet back-popping relief in iust a few nights_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_4.Ergonomic and Firmer Support - Upgraded from the triangular wedge bolster pillow that soon flattened out and offers no adequate support, this 3D air mesh lumbar pillow with resilient filling contours to your body curve without deformation, perfect for side, back or stomach sleepers. _x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_5.Adjustable Height- Total thickness could be adjusted by adding a detachable roundel to help improve spine posture, reduce strained back muscles and ligaments in supine, side, and stomach sleeping positions, also can be placed in the calf or between the knees as leg spacer. _x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_ _x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Notice:_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Please allow 1-3cm deviation due to manual measurement_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Actual color may be slightly different from the image due to different monitor and light effect_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Material:MeshCotton_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_Size:as shownPackage List:_x005F_x005F_x005F_x005F_x005F_x005F_x005F_x000D_1x 3D Lumbar Pillowwith a roundel