Award winning Boutique Hotel Cotton Heated Mattress Protector. 200 thread count cotton percale with Intelliheat + , makes it an all seasons mattress protector, warm in winter. Cool in summer. The high quality cotton feels crisp and smooth to the touch. The cotton percale is breathable and it will keep you cool and fresh during summer months, with the added benefit of switching on the heat when feeling cold. Super comfortable with a luxurious deep 250 grams bounce back polyester spiral filling, adding an extra layer of comfort to your mattress. Deep elasticated skirt, stretches up to 38cm deep, and secures to the mattress and stays in place. Machine washable and tumble dryer safe, to keep it clean and fresh. Intelliheat + Technology. Cleverly responds to temperature changes while you sleep. Fast 5 minute heat up and only costing from as little as 1p per night to run. Available in 5 sizes from single to super king size. Enjoy a boutique hotel quality experience, every night.