The memorypedic reflex pocket mattress has 8cm of reflex foam around the springs to prevent rolling off and provide you with support throughout the night with its extra firm edge this mattress allows you to sit on the edge without damaging it making it a long lasting investment convenient features such as the dry cleanable cover make this mattress practical as well as supportive and the hypoallergenic upholstery is perfect for allergy sufferers please note mattress only bed not included