"This is a shorty mattress, 2ft6 by 5ft9 and 6"" deep (75cm by 175cm by 15cm) approx. Great for bunk beds, cabin beds, day beds etc but suitable for all bed base types. This is a quality childrens budget mattress with a medium soft feel 13.5 gauge open coil spring unit with a woollen pad each side and the blue check stitchbond fabric covering. Medium soft feel mattress, double sided so turn and rotate regularly for best results, made in the UK. There is a deeper filled ""budget plus"" mattress available for our Amazon storefront. Fully compliant with all the relevant UK fire safety regulations for domestic use. Compressed, vacuum packed, rolled and boxed for ease of handling. Please allow a few hours for your mattress to air to size after opening. Packaging is for transportation only. Please do not leave mattresses rolled for more than 7 days from receipt."