Highgrove Canterbury Crib 5 Contract Pocket 2000 Mattress - 4ft Small Double; Manufactured to strict Crib 5 mattress specifications, the Canterbury Pocket 2000 is designed to offer a medium to firm support. Produced for use in the commercial and hospitality industry, Crib 5 specifications go further than those required for domestic use. It39;s required for the above to purchase mattresses and divan beds that comply with strict BS7177 ignition fire regularity standards. Fully upholstered in a 100 cotton cover, the mattress features a deep quilted finish that secures the outer fabric to the top layers. he core of the mattress is made up of small diameter pocket springs, with each coil housed in its own cloth sleeve for total flexibility. This allows each spring to move freely of any surrounding springs, resulting in piston-like support to each part of the sleepers body. Enhanced side supports add strength to the mattress perimeter, preventing border breakdown and resulting in a firmer edge. For enhanced comfort and support, its recommended that you rotate the mattress from head to toe and flip it over regularly.