Come and see our amazing products. The customized portable mini power bank is made of PVC. It is convenient in size and fits easily into your pocket. Its size is approximately 3.11x2.99x0.91 inches. This is a 5600 mAh power bank. We also provide more capacity power banks. The prices are different. Please contact us for an accurate quotation. In addition, we welcome customized logos, please contact us. Pls confirm further with us if any query about packing info, inventory status and time schedule.