Zippo Refillable Chrome Hand Warmer. Enjoy the Great Outdoors even when it's cold outside. Our rugged, metal hand warmer has a high-polish finish and a sleek, thin design that easily fits into pockets. It's virtually odorless (great for hunters) and provides up to 12 hours of gentle, consistent heat. It's refillable with Zippo Premium Lighter Fluid, so it doesn't end up in a landfill.