Whether you're attending a football game, going for a winter run, or taking a hike on a wooded trail, you need to keep your body and hands warm. Place Little Hotties in an enclosed area such as a jacket pocket or inside your gloves and keep warm when the weather isn't.. . . . . 10 Pack. 2 Warmers Per Pack. Up to 8 Hours of Heat. Safe, Natural Heat. Environmentally Friendly. Air-Activated. Odorless. After placing in an enclosed area, Little Hotties can take up to 20 minutes to reach maximum heat.. Imported.