Review on TriPole Hand Warmer Rechargeable 5200MAh Electric Handwarmer Reusable USB Pocket Hand Heater Portable Power Bank, Warm Gift For Winter Outdoor Sports Women Men, Double-Sided, Fast Heating, 2 Levels by John Wells

Slim design allows it to easily be held or put in a jacket pocket without bulk. I worked outside without any enclosures for shelter in the Chicago winters. I put it in my work jacket pocket rapped in a bandana to help hold the heat in my pocket. (Only because the outer side of the pocket wasn't lined/insulated.) I would take my hand out of the glove and put it in my pocket, instant warmth on the whole hand (front and back). Showed the guys on the jobsite and they couldn't believe how warm it was, shared info for them to order. Wish I had this year's ago. Love, love love this. Thank you.