Fleece lined Hand Warmer Muff has easy angled openings for the hands. The front zipper pocket holds a Large 20+ hour Heat Factory Warmer for added warmth, or can be used to store items. Great way to keep your hands warm. Includes 2 Heat Factory Warmers (additional warmers sold separately). Made in USA. Heat Factory Fleece-Lined Hand Muff with Hand and Body Heat Warmer Pockets provides instant and long-lasting quality heat to those needing to keep their hands free while working or playing in the cold and are great for hunting, outdoor sports activities and more. The Hand Warmer Muff has angled openings making it easy to access and comfortable to use. The enlarged front zippered pocket is perfect for holding loose items. Special pocket accommodating Heat Factory large Hand and body warmers is sewn inside of the Hand Muff over the ears, chest and back of the neck to keep focus areas warm. Two pairs of Heat Factory Large Hand and Body Warmers are included, each providing up to 10 hours of warmth (additional warmers are sold separately). The adjustable waist strap with buckle makes it easy to put on and take off and adapts to most waist sizes. Stay warm and comfortable in the cold while being able to free your hands for use when needed. Heat Factory's air activated hand warmers, body warmers, toe warmers, and heated accessories have been providing warmth and pain relief to outdoor enthusiasts for the past 30 years.