Viscofoam 250 Memory Mattresses - Promotional Offer Viscofoam 250 Memory Mattresses - Promotional Offer Please Choose Memory Foam Mattress Size Small Single Viscofoam 250 - 2'6" x 6'3" (75cm x 190cm) - £179.00    Single Viscofoam 250 - 3' x 6'3" (90cm x 190cm) - £189.00    Small Double Viscofoam 250 - 4' x 6'3" (120cm x 190cm) - £199.00    Double Viscofoam 250 - 4'6" x 6'3" (135cm x 190cm) - £229.00    King Size Viscofoam 250 - 5' x 6'6" (150cm x 200cm) - £229.00    Super King Viscofoam 250 - 6' x 6'6" (180cm x 200cm) - £259.00    Quantity: