Otter Box 3000 Series Case Cleverly made drybox designed to withstand submersions up to 100 feet Waterproof, crushproof and airtight Provides protection for GPS units, cellular phones, gaming devices, satellite pocket mail units, handheld PCs and more Cleverly made drybox designed to withstand submersions up to 100 feet Waterproof, crushproof and airtight Provides protection for GPS units, cellular phones, gaming devices, satellite pocket mail units, handheld PCs and more Exterior dim: 8.81-InchL x 5.18-InchW x 2.01-InchD Interior dim: 7.64-InchL x 3.72-InchW x 1.23-InchD