The Back on Track Mattress Overlay is suitable for all those who generally have tension in the body or in their back. Many users find that they have a deeper sleep and wake up the next morning feeling refreshed due to the revolutionary Welltex Ceramic Fabric. Available in white with a beige rim and in following dimensions: 90 x 200cm, 120 x 200cm, 140 x 200cm, 160 x 200cm, 180 x 200cm.