✅ [Operating]: Prior to use, Warm-up to for 10-15 minutes at the 3rd level speed whilst the blanket is fully cover under a duvet / comforter/ quilt etc. This is to retain heat as all the heat generated is trapped below the body and bedding, otherwise the uncovered heat will be lost. ✅ SLEEP SAFE: blankets are purposely made to leave a little room around the edges once fitted Mattress to ensure the blanket remains flat. Made using AIMS extra fluffy fleece material for extra comfort and cosiness, Overheat protection function for your safety and an LED indicator light to gauge when the blanket is in use ♥ ✅ Beautiful Superb Value and Durable Features three heat settings to help you keep complete control of your comfort, Schedule the smart 3pin UK BS plug to automatically power your electric blanket on and off as needed so your bed is warm and cosy ready for when you go to bed♥ ✅ Features 'Overheat Protection] ♥ for your own safety which works from the moment you switch on your blanket. Fitting easily under your sheets, , providing constant warmth across the mattress sleeping ♥ Body Area ♥. Keeping you lovely and warm on the coldest of nights, they feature three heat settings to give you complete control of the temperature ♥ ✅ Single Size: 140x70cm is suitable for single size mattresses, including memory foam mattresses, Comes in as a Gift Colour Box♥, ✅ MACHINE WASHABLE: a detachable cord for easy washing, Made from polyester,✅machine washable at 30 degrees Celsius and Tumble dry safe, ♥. ✅ [Sizes available are ] ✅ SINGLE /140x70cm with 1x Controller ✅ DOUBLE / 140x120cm with 1x Controller ✅ KING / 160x150cm with 2x Dual Controller Each controller operates a different side of the blanket independently