- Experience extended warmth with our efficient cotton pad replacement designed specifically for catalytic heaters used in hand warmers. - The innovative cotton pad integrates seamlessly with the oven head and features advanced catalytic converters, replacing the carbon core for reliable, long-lasting heat. - Available in black and brown colors, these pads are compatible with most hand warmer models and ensure consistent heat release. They are easy to replace and install for hassle-free usage. - Ideal for outdoor enthusiasts, residents in cold climates, and anyone needing prolonged hand warmth, these pads are perfect for activities such as hiking, camping, or simply staying warm during winter commutes. - Made from high-quality materials, our cotton pads are designed for optimal performance, providing you with the reliable heat you need when you need it most.