A European-engineered 13.5-gauge spring unit and generous layers of luxury padding, as well as memory foam. Finished with a cool-touch sleeping surface for comfort. Ideal for adults and children and fits a UK standard bed base. Please be advised that due to the depth, they may not be suitable to be used as a bunk bed mattress. Memory foam benefits include pressure relief on the body, making sleep more comfortable, and ensuring a peaceful night's sleep. With a contemporary straight-line design made from super soft fabric, which cushions the sleeper's body, resulting in quality, comfort, and support. The mattress is vacuum-packed, rolled, boxed and delivered directly to your door.