Innovation, quality and trust have made Kensington The Professionals? Choice in ergonomic accessories for more than 20 years. 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.