Lumbar Spine: there are many possible causes of lumbar pain, including spinal inflammation, muscle area disease, osteophytes, herniated discs, or lumbar strains, etc Effective Pain Relief: inflatable lumbar support pillow can axially stretch the muscles and disperse the pressure of the skeletal , so that it naturally stretch, stab into the blood circulation, relieve lower back pain and improve sitting posture. Soft Lumbar Support: lumbar support pillow with high-quality material, skin-friendly and not easy to crease, inside the solid color sponge + microfiber as filling, so that it rebound faster, enhance the experience of comfort and lumbar protection. Precisely Solve The Waist Pain Point: lumbar pillow with insert buckle design and fixed belt to meet the needs of different waist circumference, according to the waist pain point up and down adjustment, accurately fill the waist , fit the waist curve, straight to the pain point. Target Audience: that the internal airtightness while helping to dissipate heat, lumbar pillow for sedentary office, pregnancy, after pregnancy, elders lumbar spine has sufficient therapeutic effect, its application to the car home office and other places. size: 40 x 20 x 12cm Color: Black Material: Polyester + Sponge Package Contents: 1 * Lumbar Pillow Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.