Keep cool in bed with just the right amount of cooling for a great night's sleep. The Chill Mattress Pad is filled with an advanced gel that provides just the perfect amount of cooling and always feel cool to the touch. The pad stays at a comfortable 4C less than body temperature without any refrigeration. It's only 2.5cm (1" thick), allergy free and very comfortable as it moulds to your body like memory foam. Perfect for taking on holiday, especially hot climates. Not affected by perspiration. Comes in a single size measuring 70cm by 90cm (27-1/2" by 35-1/2"). Comes with a wipe clean, hygienic PVC cover.