Goodyear's lumbar support cushion with cooling gel doesn't just cool your back it truly hugs those shapes and curves. Thanks to a robust inner layer of memory foam, this cushion goes above and beyond in offering long-lasting, strong lower back support. This foam actively reacts to and reshapes itself to your lower back's curvatures, allowing this cushion to offer the exact amount of strain relief needed at precisely the locations where you need cushion adds to its memory foam's highlights with a contoured design that prioritizes and enhances comfort. The cushion's size and curvatures are engineered to align with the lower back's curvatures, enabling this cushion to offer evenly distributed, properly sturdy and long-lasting strain relief. Flatter cushions may look like they more evenly spread their support, but the contours are the keys to your comfort. Even more than a precisely engineered curvature and an impressive foundation of memory foam, this cushion combines three layers of materials to best support your lower back over long periods. Above the memory foam are two symbiotic layers of cooling gel and ventilated mesh, which work in tandem to stabilize your lower back's temperature, minimize moisture buildup, and keep you dry and refreshed, even for car rides lasting hours on end. This cushion doesn't just keep you comfortable it keeps you cool. This cushion can go anywhere with you, because its adjustable strap tethers it to almost any car seat imaginable. The strap offers more than just versatility it makes securing this cushion in any car seat a hassle-free process that ensures a snug, stable, secure fit. If you're worried about having to constantly shuffle around in your seat or readjust your lumbar support cushion to stay pain-free during a long car ride, you've found the cushion that will best help you avoid these struggles. As with any object that has the potential to become a frequently used item, this cushion is all but certain to build up dust and other stains. That's why it comes with a removable cover that both protects the foam from potentially damaging agents and makes cleaning the cushion as easy as you could possibly imagine. Just take the cover off the next time you run laundry and throw the cover in your washer/dryer load. Place the dry cover back on your cushion and get right back to using it the foam won't have forgotten you.● Dimensions: 13.5” x 14” x 4.5”● Inner memory foam layer provides hours of customized support● Contoured design encourages comfortable alignment of lumbar region● Three-layer structure relaxes and cools lower back ● Adjustable strap for snug, secure fit in vehicle seats of all varieties● Washable cover for hassle-free cleaning and maintenance