Premium high density memory foam, ergonomic design promotes healthy posture, anti-slip backing, removable cover, carrying strap. Claim a free Leitz Z1000 Air Purifier when you spend over 100 on selected Kensington & Leitz Ergonomic products until 30th September 2023 Terms & Conditions apply, to claim please register online here. The Kensington Ergonomic Memory Foam Seat Cushion strikes the perfect balance between comfort and support. Providing an ergonomic design to promote healthy posture, increase circulation and relieve spinal pressure when sitting, the Ergonomic Memory Foam Seat Cushion features high density memory foam that will maintain its shape, anti-slip backing to prevent sliding, and an easy-to-clean removable cover.