The Double Coolmax® Mattress Cover is an ideal way to freshen up your existing mattress or just as a replacement cover. Coolmax® is a moisture management fabric which promotes fast drying & cooling by whisking away moisture from the body, this creates a comfortable sleeping environment ensuring an undisturbed night’s sleep so you feel refreshed when you wake. This Coolmax® mattress cover will fit a double mattress with a depth of 15cm