The Imperial Luxury Ortho 1800 is a pocket sprung mattress offering firm orthopaedic support.Its 1800 independent pocket springs provide great postural support that moulds to your individual body size and shape. The firm edge support adds strength to the edges of the mattress.Handmade in the UK, the mattress offers a natural cotton deep fibre filling that helps keep you cool in the summer. A lambswool layer offers added comfort, acting as an insulated blanket-like layer. Blended cashmere and silk fibres provide a durable and supportive layer, with a hypo-allergenic super flex foam layer providing excellent levels of support and comfort. Four rows of side stitching provide a robust and durable edge compared to other mattresses, and the mattress measures a luxurious 34cm deep.