... as below: knitted fabric,memory foam, high density foam, pocket spring,all size ok , can be compressed This item mattress ... mattress market , use memory foam , high density foam , pocket sring and soft kintted fabric . Inner specfication as bellow :high ... + 8000# polyester wadding2cm latex3cm memory foam1cm normal foam22cm pocket spring with foam edge1cm normal foam0.6cm quilted foamdamask fabric..