●✔️UPGRADE YOUR CHAIR: Made of pure memory foam, this lumbar pillow uses heat response technology to adjust to your needs and provide comfort that is missing in your current chair ●✔️ ADJUSTABLE TO PUT ANYWHERE OF OFFICE CHAIR: Most chairs dont support your back well. This office chair seat can be placed at the top, middle, and bottom of the chair back for comfortable sitting ●✔️COOL AND COMFORTABLE TO SEAT: The back support cushion of the office chair is made of breathable mesh cover, which allows air flow to prevent heat buildup and keep you cool and comfortable all day long ●✔️TAKE YOUR BACK CUSHION ANYWHERE: Lightweight and portable so you can use it in your car, office chair, game chair, wheelchair, airplane seat, and so on, you can always sit comfortably ●✔️ Lumbar Pillow Fits a Variety of Chairs: The double adjustable straps can be adjusted to secure it to any chair back. The included strap extension will fit chairs up to 32" (81cm) wide backrest