The Sonik Bank-Tek Memory Foam Mattress Topper is designed to improve the comfort of most bedchairs, using a dual foam compound construction. It combines a high density foam base with a low density memory foam top layer, providing a full 50mm thickness for better support and pressure relief during long sessions. The fleece top adds extra softness, and the topper can be attached to most bedchairs and left in place between sessions. - Dual foam compound construction for extra comfort - High density foam topped with low density memory foam - Full 50mm thickness - Can be attached to most bedchairs - Fleece top for extra comfort - Leave in place on bedchair between sessions - Weight 2.3kg