Zippo High Polish Chrome Hand Warmer with easy fill technology. Zippo's improved filling process makes firing up these little furnaces easier than ever. Fill the cup. Light the burner. And go! Provides up to 6 hours of gentle, consistent heat. And they're odorless. So the only thing that stinks is the alternative to not using them. Frozen fingers. Includes easy fill technology Improved fill cup helps reduce spills Perfect for all cold weather activities Sleek, thin design fits into the smallest pockets Flameless gentle warmth provides 2.5X more heat than disposables ASIN#: B013HLGULG