This cushion provides ultimate support and relief for your back pain. Its non-slip feature ensures stability even on smooth marble floors. STILL UNDECIDED? COMPARISON SHOP AND CONSIDER PURCHASING THIS OR A SIMILAR ITEM BY CLICKING ON OUR AFFILIATE PARTNER LINK(S) BELOW. YOU MAY FIND LOWER PRICES, FREE FASTER SHIPPING ON THIS SAME OR A SIMILAR PRODUCT. Please Note That The Above Buttons Contain Affiliate Links for Which We May Be Compensated (At No Additional Cost to You) for Being An Partner Amazon Associates Program Active Participant. Your Support Is Greatly Appreciated. Thank You! Features: EXTRA-LARGE COMFORT (19"x17"x3"): Our extra-large size seat Cushion gives you a more comfortable fit. BREATHABLE COOLING GEL MEMORY FOAM: Soft gel memory foam top layer supported by a firm premium base foam, covered with is a layer of 3D ventilated fabric to disperse heat. WON?T FLATTEN OUT: Two-layer design for Custom-fitting comfort every time you sit on it without flattening out. NON-SLIP COVER: Non-slip silicone layer at the bottom to keep it in place. RELIEVES BACK PAIN: Firm enough to support you and soft enough to be comfortable. Package Includes: 1 x Office Chair Cushion Listing and template services provided by inkFrog