Premium Fabric: It is suitable for staying warm for a long time all day long, the fabric is velvet, and the lining is also velvet, warm and comfortable.Different Temperature: It have 3 temperature settings, according to the environment, you can adjust the appropriate temperature.Adjustable Waist Strap: The belt strap of this bag can be adjusted freely, the size can be easily adjusted, suitable for bulky winter clothes.Flexible Design: This is designed for standing or sitting, imported composite wire for heating material, USB interface, easy to use.Wide Applications: It can be used for cycling, skiing, riding, biking, ice fishing, hunting, running, hiking, walking, or working outdoors in cold climates.Specification:Color: Black.Material: Lint.Size: Approx. 42.5x20x14.5 cm/16.73x7.87x5.71 inch.Note:There might be a few color distortions due to different resolutions.There might be a slight error due to different hand measurements.Package Includes:1 Piece Heated Handwarmer.