4.2 in

The Thermos 16.9 fl oz Solar Water heater and thermos is a lightweight and adjustable survival water heater designed for outdoor activities like camping, hiking, and backpacking. This compact and durable device allows you to boil water with the sun’s energy, making it a convenient and eco-friendly option for staying hydrated on the go. The sleek black color and portable design make it suitable for various outdoor adventures, providing a reliable and versatile solution for accessing clean water in the wilderness. New in box…