The Netraty Rechargeable Electric Hand Warmers 2 Pack in Black offer a sleek and portable solution for staying warm during outdoor activities like camping and hiking. With an activated temperature of up to 131°F and an effective duration of up to 20 hours, these hand warmers are perfect for keeping your hands cozy in cold weather. Made from ABS and aluminum alloy, these electric hand warmers are durable and easy to use. The rechargeable feature ensures that you can use them multiple times without worrying about running out of battery. Ideal for those looking for a reliable and efficient way to warm up their hands in the great outdoors. Hand Warmers are shaped like Chameleons for all of the reptile lovers out there!!!