The Crystal is a comfortable, supportive and luxurious mattress that will have you in sleep heaven! Up to 1,000 individually wrapped pocket springs which distributes weight evenly Layers of Orthopaedic foam for maximum support Multiple fillings High quality knit fabric Air vents are located on the sides of the mattress to allow air to flow through the mattress freely and easily Handles for easy rotation Sleep both sides to extend mattress life and performance please turn regularly A wide range of Dream World Divan Base options available in a choice of colours Stringent testing for maximum performance All products are engineered to meet the requirements of the demanding household environment. Sizes Available Single 90cm x 190cm / 30" x 63" Small Double 120cm x 190cm / 40" x 63" Double 135cm x 190cm / 46" x 63" King 150cm x 200cm / 50" x 66" Queen (Super King) 180cm x 200cm / 60" x 66"