Extra large memory foam seat cushion office chair wheelchair back pain relief

🧿Silicone 🧿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.