King size electric blankets are made from a series of thin electrical wires encased in a sheet or blanket that heat up your bed when they're plugged into your mains electricity supply.
Available in two main types, fitted under blankets and over blankets, 5' fitted under electric blankets heat the body from underneath adding extra warmth to your bedding.
The Morphy Richards 75288 Dual Control King Size Heated Mattress Cover is made from an extra thick fleece material, and contains ultra-thin wires ensuring ultimate comfort. Costing from as little as 2p per night, this luxury electric blanket is a fully fitted mattress cover design that is incredibly easy to fit.
The Beurer Monogram Tranquility Dual Control King Size Electric Underblanket features turbo boost for fast heat up, the Sleepsafe safety system, 6 heating systems with variable time control and is BEAB approved.
A king size over electric blanket warms you and your bed from the top with many designs available with heat sensitive technology, which adjust to the temperature of the body and room while you sleep. An over blanket can either be placed on top of the bed or inserted into a duvet cover.
With the added convenience of being machine washable and tumble dry safe, a good quality king size 5' electric blanket will also help keep your bed fresh and clean.