Whether its a hot summers night or your sleep is disturbed by hot flushes or night sweats, these pads will help keep you cool and give you a better, more restful sleep. With no pre-freezing or refrigeration required, these cool pads react to your bodies own heat to bring you down a few degrees and produce a natural all night cooling effect without the need for noisy fans or expensive air coolers! The Cool Bed Mattress Topper (fits both double and single beds) which is designed to sit between your mattress and base sheet to cool your body and measures L140cm x W90cm.