The RPF Ortho Pocket 800 Single Regular Firmness mattress is a great buy, with a pocket spring system that offers lovely contour support & allows the mattress to form to each person's body shape delivering an extremely comfortable deep sleep. This single mattress is generously packed with polyester fillings & is also hand tufted, all encased by steel road edging to give a really robust durability. With its vented side & flag stitched handles, this excellent mattress is top of its class.