SEALED HOSPITAL FOAM DOUBLE MATTRESS 4'HOSPITAL TYPE 4' DOUBLE MATTRESS TO FIT PEMBROKE BED Specially designed mattress to meet the demands of the most challenging behaviour while helping to encourage a safe and supportive environment. A hospital type foam mattress to fit the Pembroke 4' double robust bed box. An excellent quality product suitable for challenging behaviour environments where foam mattresses could otherwise be a costly frequent replacement. No zips, no velcro, these