Not suitable for children under 3 years old. Featuring one controller with three heat settings, Snuggledown's mattress topper will help personalise your temperature to keep you warm and toasty throughout the night, undisturbed by cooler spells. This cosy cold weather companion incorporates a premium comfort layer to offer enhanced support when paired with your mattress. A washable cover also ensures you maintain a fresh and hygienic feel throughout the topper's lifespan. Removable cover: do not use if wet. Cover must be detached from electric blanket before washing. Ensure product is completely dry before using. Electric pad: do not use if wet. Before washing disconnect the heat controller from the electric blanket. Ensure product is completely dry before use.