PowerSkin Spare Rechargeable Battery Case for Samsung Galaxy S5, Shimmer White Only 5.7 mm thickness to your device Seamlessly duplicates soft touch, textured feel with PC/ ABS plastic Capacity 2200 mAh battery offers the power you need to make it through the day Polycarbonate material protects and fits to your phone's natural shape Polycarbonate material protects and fits to your phone's natural shape