Compatible Models: Apple iPhone 4 16GB 32GB / iPhone 3G 8GB 16GB / 3GS 16GB 32GB (It will fit the cell phone already with a Rubber / Silicon Cover into this Leather case and it will fit OtterBox Defender Case/ Impact Case with iPhone 4 or 3G / 3GS) * Sleek, durable leather material with soft velveteen inner lining helps protect your mobile phone from nicks and scrapes. * It helps to protect against shock and surface damage caused by accidental drops. Belt clip attachment for go-anywhere portability. * Product Dimensions (Inner): 5.1 x 2.7 x 0.81 Inch * Leather Case Only, Rubber / Silicon Cover Not Included