Exterior Dimensions (L x W x D) 6.37" x 4.75" x 2.12" Interior Dimensions (L x W x D) 5.31" x 3.56" x 1.68" 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