The seat cushion and lumbar pillow will provide you with comfortable support, help improve your sitting posture, and relieve sitting fatigue. Features: The seat cushion and lumbar pillow are made of high-density memory foam, which rebounds slowly and does not deform when squeezed. Comes with a smooth zipper for easy removal. Soft and skin-friendly crystal velvet shell. The bottom of the cushion has a non-slip design and will not move easily. Adjustable straps are mounted on the back of the lumbar support pillow to accommodate chairs of various sizes and user heights. The cushion has a V-shaped design to relieve sore buttocks. There is side pocket on the side of the lumbar pillow for small things. Using a seat cushion with a lumbar support can improve concentration while working or studying, and can also help you relax better when you rest. Suitable for car use, home use, leisure use, office use, etc. Specification: Material:Memory Foam+Crystal Velvet Seat Cushion Size(LxWxH):46x36x7cm Lumbar Pillow Size(LxWxH):34x33x12cm Package Contents: 1x Seat Cushion 1x Lumbar Pillow Note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.