Exterior Dimensions (L x W x D) 7.50" x 5.06" x 3.12" Interior Dimensions (L x W x D) 6.31" x 3.68" x 2.75" Totally watertight, crushproof Rubber liner for extra protection doubles as o-ring seal Pressure Equalization Valve - balances interior pressure, keeps water out Easy open latch Stainless steel hardware Lanyard Lifetime guarantee