This deal from Wowcher
From £59 instead of £129.99 (from Desire Beds) for a jersey-knitted memory sprung mattress – choose from five sizes and save up to 55%
Get a jersey-knitted memory sprung mattress! Approximately 9″ deep, with 13.5 gauge open coil spring system. A luxurious nine-layer core construction mattress with memory foam. With jersey knit fabric top panel for the ultimate in comfort. Features a plain grey border for added style. Choose from five sizes (see pricing below).