Zippo – Hand Warmer Black. Model ZO40310. Measures 2 5/8″ x 4″. Black coated stainless construction with drilled hole design. Compact size. Fill with Zippo premium lighter fluid to provide up to 12 hours of warmth on a single refill. Flameless and odorless. Includes filler cup and black warming bag with drawstring. Hang packaged. Ships empty.