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 use 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. MICRO QUILTED SLEEPING SURFACE - With a contemporary straight line design made from super soft fabric, which cushions the sleeper's body, resulting in quality, comfort, and support. MATTRESS IN A BOX - the in-house technology allows the mattresses to be vacuum-packed, rolled, and boxed and delivered directly to your door. All the mattresses are designed and manufactured in the UK and comply with all UK and EU regulations (BS 7177:2008 for Domestic Use).