Colour White. Crafted from 200 thread count sustainable, organic cotton, our premium warming mattress protectors have cloud-like softness so you can drift off cocooned in warmth. The natural fibres keep you toasty in the winter but cool in the summer. Single size with 1 control. Easy to fit with a deep 38cm elasticated skirt. 5 minute fast heat up, 6 temperature settings and auto shut off timer. machine washable and tumble dryer safe, simply detach the digital control. Energy saving, costing from only 1p to run. Intelligent softwareand a 5 layer ultra thin heating sensor wire built in to our blankets to detect its temperature 25 times per second, automatically regulating warmth safely.