Ergo21 Lumbar Support Cushion - Better Than Gel， Foam， and Air! Liquid-Filled Membranes. Blood Flow Improved by 150%<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Deep Rest and Relaxation for the Spine- Enjoy sitting for longer periods of time </span></li><li><span class="a-list-item"> Liquid Filled Membranes eliminate hot spots when you lean against the Lumbar Support </span></li><li><span class="a-list-item"> High Resilience Foam， molds and fills in the gaps to support the spine in a natural way without the annoying hump/bump that other Lumbar Cushions have. </span></li><li><span class="a-list-item"> Liquid-Filled Membranes improve Blood Flow and Circulation by 150% - Small Size can also be used as a seat cushion </span></li><li><span class="a-list-item"> Ultra-thin cells contain Liquid thatÕs in constant motion allowing the body to glide and float </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51kQKeeVmfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31eVvcDn1mL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51f24Y1fL0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51avrWKl3XL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qWyk38V%2BL.jpg" noproxy>