This is a standard UK single mattress, 3ft by 6ft3 (90cm by 190cm) and around 9" (22cm) deep approx. Please ensure that this is the size you need prior to ordering to avoid disappointment. This is a super comfy medium soft feel single mattress. A deep filled mattress, coming in at 9" total depth, micro-quilted with a core coil spring unit topped with soft comfort fillings and a micro-quilted Cooltouch sleeping surface. This single sided mattress with its modern and stylish "Diamond" effect micro-quilted border (symbolic of the Diamond quality and comfort of this mattress) should be rotated regularly for best results. A UK made mattress that is fully compliant with all relevant UK fire safety regulations for domestic use. BS 7177 : 2008 (low hazard) Compressed, vacuum packed, rolled and boxed for ease of handling. Please allow several hours for your mattress to air to size prior to use. (note that rolled mattresses do not have side supports) Packaging is for transportation only. Please do not leave mattresses rolled for more than 7 days from receipt.