Bring together style and function with the CASE MATE Black & Sand Charging Wristlet. Who would have thought that this fashionable accessory actually powers up your iPhone 6/6s. Inside and out, the case is made of pebbled leather, including the strap. It also features internal card slots for your business card or commonly-used IDs. There is also a separate pocket for some emergency cash. The CASE MATE Black & Sand Charging Wristlet can store up to 3,500 mAh of power or 125% of the requirement of your device.