This Responsive Foam Mattress Topper is made with a 2.5cm thick layer of responsive foam that will mould to your body as you settle down to sleep. This will provide your muscles with the ultimate support, allowing you to wake feeling more refreshed and ready for the day. It is also designed to be hypoallergenic, making it a safer and more preferable option for anyone with allergies. This mattress cover features a removable zip cover to make it easier to wash.