Small / Single - 65 x 135cm Medium / Double - 120 x 135cm Large / King - 137 x 165cm Super Soft and Cosy: Get a warm and comfortable sleep with our single-sized thick and soft quality electric underblanket, perfect for cold nights. You can preheat the underblanket before use to feel the warmth immediately as it radiates throughout your body. Made of super-soft and warm fabric, both sides are lined with silky flannel. It also has superior stitching, which ensures premium quality that is built to last. The neutral colours pair well with any décor or colour scheme in your home. It has an advanced heating technology that provides efficient and even heat penetration and preservation, ideal for relaxing your aching muscles and joints. With 3 adjustable heat settings from low, medium, and high heat that you can easily navigate from the controller to pick, so you can find the correct temperature that you desire. It is simple to use and very effective, giving varying degrees of heat that are perfect for your everyday needs all year round.