They are solar jars that are made out of silicone and 100% waterproof ! Rechargeable by Solar or USB charging. They can run for 12 hours on high mode or 5 hours on turbo mode. They’re light and foldable and ideal for travelling, camping, hiking, loadshedding and your kids will LOVE them as a night light! It’s also a great way to teach them about solar energy! They can also be used in flashing mode as vehicle hazard warning, or signalling device. The Solar Lanterns are available in Blue, Green, Pink, White and yellow.