This deal from Wowcher
From £69 (from Desire Beds) for a small single grey castle quilted cool blue mattress – choose your size!
Get a grey castle quilted cool blue mattress. Option of small single, single, small double, double or king. 13.5-gauge bonnell open coil spring system for extra support. Micro quilted cool touch panel, providing a comfortable and cooler sleep. Aims to reduce and relieve pressure across the body. Plus, the foam moulds to the shape of your body for maximum comfort.