Combining traditional pocket springs with modern day memory foam the anne mattress produces a sumptuous feel and great support featuring a total of 1400 individually nested pocket springs and 30mm of memory foam provides instant pressure relief added support and comfortplease note spring count refers to a 5ft kingsize modelgeneral dimensions single w90cm x l190cm double w135cm x l190cm kingsize w150cm x l200cm superking w180cm x l200cm depth 25cm