High-Density Space Memory Foam Fully optimize the shape and softness of the support surface.Firm yet comfortable,lumbar pillow supportive memory foam holds your waist in the right posture.Unlike other traditional back support pillow that slip and fall out of place or with insides that move around,the memory foam stays put,cradling both sides of your spine without feeling rock-hard,it is ideal for all-day use,whether driving in the car,traveling on a plane,sitting at your desk,or at home. Removable and Washable Cover with Extra Inner Cover Chair back support with the 3D mesh breathable cover,easy to disassemble.Just zip off the fabric cover,toss in the wash with your other clothes,and replace when dry.The easy-clean cover means that you no longer need to worry about getting your back support pillow dirty.Extra inner cover to avoid it polluting by sweat and dust.Skin-friendly breathable,lumbar support can keep back air circulating well,just makes you feel comfortable all day! Quick and Easy Enstallation with Adjustable Strap This back pillow goes wherever you need extra back support. It can be installed quickly with the easy-to-use and adjustable one-clip belt. Simply wrap the straps around the back of whatever seat you’re in and click the strap closed. Disassembly is just as easy. Best Gift for your family or Staff Lumbar support Pillow is a perfect gift for parent, office staffs, drivers, students and teachers who sit for a long time. Specification: ✿ Size: 40*40*10cm ✿ Inner Material: Memory Foam ✿ Cover Material: Velvet ✿ With cover: Yes ✿ Color: Navy blue Warm Tips: New memory foam coccyx cushion may be have some memory foam odor, don't worry, it is normal and common phenomenon. It is healthy and not harmful, will disappear in a few days. Package: 1*Back seat cushion