Benefit from office chair back support:</b></br> 1. Back Pain & Sciatica</br> 2. Coccyx / Tailbone</br> 3. keeps your spine in health alignment to avoid pressure on your back</br> 4. promotes healthy blood circulation</br> 5. prevents muscle fatigue and back tightness</br> 6. Help Relieve Pain From Or Numbness From Sitting For Long Periods Of Time</br> 7. supports the lower back</br> 8. helps to remain focused only on work</br> </br> <b>Application Scene:</b> </br> This seat pillow is suitable for any office chair, computer chair, gaming chair, executive chair, sofa, couch, car seat, SUV seats, truck seats,wheelchair, recliner, seat on a bus, airplane or train. </br> </br> <b>Why you choose Qutool back cushion?</b> </br> >>Made by PREMIUM QUALITY Memory Foam, will keep its shape.</br> >>Two Adjustable Straps and Two Extension Straps: find the right spot on your back for massaging rest, and facilitate the different high of people, from the wheelchair of the older to the gaming zone seat of the children.</br> >>New Design: Non-slip rubber back will secure the pillow in place and prevents it from slipping around.</br> >> The Ventilated Mesh Cover: This cover keeps air circulating and prevent discomfort from accumulated heat, so your back stays cool and comfortable.</br> >>Machine-washable Cover, with zipper, the cover is easy to removed and washed by hand or by machine.</br> >> Back cushion is lightweight and take it with you conveniently.</br> >>5 Years Guarantee, just return it if you do not satisfy our product.</br>