Silentnight Luxury Impress 7cm Memory Foam Mattress Topper in Double, King and Super King sizes The Silentnight Impress Memory Foam mattress topper has been expertly designed to reduce pressure points on your spine, assist in relieving aches and help you to enjoy a deep, relaxing sleep. It’s a great way to breathe new life into a tired mattress, taking advantage of a 7cm thick layer of memory foam that moulds to your unique shape and provides support for the whole body. As part of the Impress range, it has hypoallergenic properties too, meaning this topper is ideal for those who suffer with irritants. A knitted cover adds an extra layer of cosy comfort, and is elasticated for easy removal and convenient washing, so you can keep it looking and feeling fresh. Cover Material: 100% Polyester Filling: Memory Foam Ideal for everybody, the memory foam simply moulds to your unique shape Will fit to any standrd size mattress Reduces pressure points on your spine and assits to relief aches Zip off knitted cover for ease of washing Hypo-allergenic