This HUMI Hand Warmer is the perfect accompaniment to your HUMI Personal Fan. Whether there’s two of you wanting to warm your hands, or if you just want one for each pocket, a second HUMI Hand Warmer is the perfect companion to your HUMI! HUMI Personal Fan sold separately Easy to use: simply warm this attachment on the front of your HUMI & take it with you. Up to 45 minutes of heat: keeping you toasty wherever you are. This product is covered by our 30 Day Money Back guarantee (Terms & Conditions Apply).