Viscofoam 500 Memory Mattresses - Promotional Offer Viscofoam 500 Memory Mattresses - Promotional Offer Please Choose Memory Foam Mattress Size Small Single Viscofoam 500 - 2'6" x 6'3" (75cm x 190cm) - £189.00    Single Viscofoam 500 - 3' x 6'3" (90cm x 190cm) - £199.00    Small Double Viscofoam 500 - 4' x 6'3" (120cm x 190cm) - £219.00    Double Viscofoam 500 - 4'6" x 6'3" (135cm x 190cm) - £249.00    King Size Viscofoam 500 - 5' x 6'6" (150cm x 200cm) - £269.00    Super King Viscofoam 500 - 6' x 6'6" (180cm x 200cm) - £269.00    Quantity: