The Kidsaw 1000 Pocket Sprung Mattress is a standard UK single sized mattress . The Kidsaw 1000 Pocket Sprung Mattress features a 2.50cm layer of air foam providing a fully breathable mattress and is wrapped in a 200 GSM quilted cover. The Kidsaw 1000 Pocket Sprung Mattress features an anti-dust mite material and the cover can be removed by the means of a zip for an easy machine wash. You can rotate the mattress to prolong its usability. The Kidsaw 1000 Pocket Sprung Mattress is free from antimony, phosphorous or arsenic fire retardant chemicals and meets British standards for Government Regulations of Ignition. Delivered vacuum packed, please allow 24-48 hours for the mattress to settle once opened.