PREMIUM 4000 POCKET SPRUNG ORTHOPAEDIC MATTRESS 3FT 4FT6 DOUBLE 5FT KING SIZE. LUXURY SPRUNG ORTHOPAEDIC MATTRESS 3FT 4FT6 DOUBLE 5FT KING SIZE. Open Sprung Mattress. Pocket Sprung Mattress. Individual pocket springs used in the construction of pocket sprung mattresses react to pressure.
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