This memory foam mattress topper is scientifically designed to support your body for a more restful night’s sleep. It features strategically placed ripple, wave & swirl designs that distribute your body weight evenly, relieving pressure on head, shoulders, hips, knees & ankles. The mattress topper is made from luxurious 1in deep 40D memory foam that contours to the curves of your body. Gently aligning your spine, it eases aches & pains & keep you sleeping soundly throughout the night. The foam topper instantly springs back to its original shape after pressure is removed. It’s also a great way to rejuvenate an old or lumpy mattress without spending a fortune on a replacement. For single bed: L190 x W90 x D4cm. For double bed: L190 x W135 x D4cm.