The kensington premium cool-gel seat cushion offers ultimate ergonomic comfort as well as support for sitting in the office, home or car the premium cool-gel seat cushion features a durable as well as supportive ergonomic design that maximizes comfort as well as promotes health cooling fabric with cool-gel core delivers a 2 degC decrease in body temperature ergonomic design promotes healthy posture, improves circulation, as well as relieves spinal pressure premium honeycomb memory foam anti-slip backing prevents sliding using a high-quality silicone friction grip OEM: 55809 SKU: AC01015