Bullet Points: 1Thick Design: Heated Slipper not only has a thick upper but also incorporates padding. So it is very suitable for keeping your feet warm when studying, working, chatting and watching TV in cold weather. 2Safe And Reliable: The working voltage of USB Heated Slippers is 5V, which is very safe and reliable. You can plug it into the USB ports of PCs and laptops, power banks, or USB adapters. 3Elastic Size: The soft upper and thick thermal padding give this Heated Slipper a very elastic size. Therefore, it can be worn by most adults. It has only one size which is approximately 31 cm/12.2 inch L *12 cm/4.7 inch W. 4Wide Use: This Heated Slipper has a non-slip bottom design. It means you can enter the bathroom without changing your shoes. You can also use the charger in the car to power the heated slippers. 5Practical Gifts: In winter, only warm things are the most practical. These Heated Slippers can quickly heat up the feet and keep them warm. You can never go wrong with them as gifts to your family or friends. Electric Slippers Foot Warmer Velvet Heated Slippers Electric Heating Slippers Feet Warmers for Women Men USB Heating Pad for Feet Winter Cold Weather Heated Shoes Sole material: EVA Upper material: super soft velvet Applicable gender: neutral/male and female Thickness: Normal thick pattern: plain Function: Keep warm Applicable scenarios: Indoor, home, nursing, car Sole craft: sewing shoes Opening depth: 5-6 cm about 2.3 in Gross weight: 280g Insole material: cashmere blend Inside material: cotton Packing volume: USB heating Color: black, coffee size: one size Types: slippers Applicable people: couples and families Package list 1 pair of slippers (including USB charging cable, excluding power bank)