The Interstellar Power Bank is a perfect eco friendly option. This power bank is made from sustainable bamboo, and includes an RPET solar panel, making it 100% plastic free! The power bank has USB-A, micro USB, and USB-C ports, allowing you to charge your devices fast and efficiently. Plus, the Interstellar has a solar panel, to allow you to charge up your power bank during daylight hours. Simply leave the power bank with the panel facing upwards, and return to find the product charged! This product comes in two sixes and capacities, giving you flexibility! This product can be branded with an engraved LED logo or full colour print, and we use an organic soy ink to print traceability information on the back of the product, making this a brilliant and sustainable product.