Bali Orthopaedic 4ft 6in Double Mattress Features: 12.5 gauge orthopaedic spring unit system Mattress border is upholstered in luxury Stone Suede fabric Manufactured in the UK and Complies with BS7177 UK fire regulations. Top and base of mattress is upholstered in stress free stretch fabric Medium Firm Orthopaedic Mattress Deep hand tufted upholstered with multiple layers of hypo- allergenic orthopaedic fillings Suitable for all types of bed bases 4ft 6in Double: (W:135 cms x L:190 cms, W: 54 inches x L: 75 inches)