"Made of PVC material, it has the merits of heat resistance, strong corrosion resistance, climate resistance. Waterproof is also one of the advantages of it. There are four lighting modes, including sleep mode, low light mode, strong light mode and flash mode. The foldable feature makes it more convenient for you take and greatly saves the space of your backpack when you are in camping, etc. It is charged with solar energy, so that it is more environmentally friendly. Light is also suitable for home lighting, emergency, etc."