Hi! Love Prado 5' Gas Lift Bed is a Standard 5ft King Size Bed which requires Standard 5ft King Size Mattress that measures 150cm x 200cm (5'0" x 6'6"). We have a couple of 5ft Mattresses available to choose from which can be found in our General Mattress Sectionhttp://www.lovefurniture.ie/mattresses or http://www.lovefurniture.co.uk/mattresses Love Prado 5' Gas Lift Bed is still available in colors Black and Brown. Delivery is free of charge anywhere in Ireland. If you require anything further please do not hesitate to contact us. Thanks!