Warm and relax your feet during the cold and tiring winter Large Capacity: This can store and continuously release heat within hours. Foot Muffs For Adults SUPERFA Rubber For Feet, Feet Warmers For Hot Water Bottle Soft Feet Cover: This hot water bottle for feet comes with a removable feet plush cover. The feet cover size is 32 x 27 cm/12.5 x 10.8 inches, The hot water bottle feet warmer fits shoe sizes UK 3-9, suitable for most adults. (Note: Please fill it with 2/3 of the water Our hot water bag complies with the BS1970:2012 standard. The feet warmer has a heel design to avoid the cold wind, keeps the heat inside, and gives the feet continuous warmth(The feet cover machine is washable) Warm and Relax: A warm foot heating pad can relieve cold feet and legs, relax and warm the legs, and increase blood circulation. Safe, durable, and easy to clean. Soft and comfortable, thickened material, very fluffy and warm. Meister Neoprene Toe Warmer Booties (Pair), Pink Store in a cool, dry place. Aazon.co: INTEIF Double-Layer Electric Foot Warers for Feet, 10... The rubber hot water bottle has passed the 24-hour explosion-proof and leak-proof test before leaving the factory