"This is The Darcy Linear Soft Knit micro quilted Double mattress, 4ft6 by 6ft3 approx. (135cm x 190cm) approx. Built around a double insulated 13.5 gauge open coil spring unit, this mattress has medium soft feel from the layer of polyester comfort filling (75% recycled materials) and the micro quilted Soft Knit sleeping surface. Ideal for bunk beds, cabin beds, trundles, triple sleepers etc. An excellent choice for a child or a spare room too. Covered in a Soft Knit micro quilted ""Darcy Linear"" design fabric with a matching white border, this mattress should be rotated regularly to maximise comfort and mattress lifespan. A UK made mattress, and fully compliant with all relevant UK fire safety regulations. (BS 7177 : 2008 for domestic use (low hazard)). This mattress is compressed, vacuum packed, rolled and boxed for ease of handling and delivery. It will require a couple of hours to air to size prior to use. Packaging is for transportation only. For best results, please do not leave mattresses rolled for more than 7 days from receipt."