Custombox Harry Potter Samsung Galaxy S3 I9300 Case Hard Case Plastic Hard Phone Case-Samsung Galaxy S3-DF00031 USPS Shipping to USA (7-15 DAYS) Durable & lightweight hard plastic case. The case covers the back and corners of your phone with an impact resistant, flexible plastic shell. Allows full access to all controls and ports. Designed for the Samsung Galaxy S3 I9300, this sleek and lightweight case is the perfect way to show off your custom style.