Made of Waterproof, Shockproof, Heavy-duty and Durable Material. Well-padded semi-flexible interior, excellent protection for your gadgets against scratches, dust, impacts, and accidental dropping. The case bag designed to store electronic gadgets, such as power bank, external hard drive, SD memory card, cables, earphone, connector adapter, also good for kids’/students’ stationeries, like pen, pencil, highlighter, gel pen & eraser. You can easily slip it into your backpack or carry it in your hand.