Come and Check Our Branding Solutions.The solar power bank is made of ABS+TPU material, equipped with 26800mAh high-quality li-polymer battery, which has the functions of waterproof, dustproof and anti-drop, with 18 LED lights and 4 brightness modes, 3 devices can be linked at the same time, it is a necessary daily necessities for travel and camping. Pls check inventory and detailed info before placing your orders.