This is a back pillow, which is made of materials, and can be used for a long time. Easy to use, no need to pump, repeatedly press the inlet can inflate, not only simple and very sanitary. The product design is ergonomic, the bottom of the pillow is close to the waist, can effectively prevent spinal curvature, can effectively relieve sitting back pain. Features -Color: Light grey. -Material: PVC. -Size: About 40.00X42.00X15.00cm/ 15.72X16.51X5.89in. - Easy to use, no need to pump, repeatedly press the inlet can inflate, not only simple and very sanitary. - The product design is ergonomic, the bottom of the pillow is close to the waist, can effectively prevent spinal curvature, can effectively relieve sitting back pain. - The product comes with a storage , which can be stored when the pillow is not in use. It is traveling and traveling by car. - Designed for 75 degrees of , can be very good to maintain the spine S shape, prevent deformation of the spine. - Wide range of use, not only can be used as a back pillow, but also as a leg pad, nap pillow and bed pillow. Package list: 1 x Inflatable Back Pillow (with )