[Soft Lining]: The heated handbag is made of high-quality waterproof quilted cotton and soft lining. Knitted windproof cuffs keep hands warm during cold winter months and prevent frostbite. [Easy to Operate]: Our electric hand warmer does not have batteries and is suitable for charging using a power source with USB port. Just connect it to the power bank and it's ready to use. The actual set does not include a power bank. [Double-sided Storage Pockets]: The hand warmer comes with double-sided zipper pockets, which can store the power bank and other small items, such as mobile phones, keys, and more. [Temperature Adjustable Functions]: The heating hand warmer pouch has 3 temperature settings of low, medium, and high, and is designed with a switch button, allowing you to use it with confidence. [Wide-range in Application]: The handwarmer bag allows you to carry out normal outdoor activities, such as hiking, traveling, photography, golf, hunting, camping, ice fishing, football, work, etc. Material: Waterproof quilted cotton colour: Black Package Contents: 1 x Electric Hand Warmer Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.