Features:Watertight, crushproof, and dustproofOpen cell core with solid wall design - strong, lightweightO-ring sealAutomatic Pressure Equalization ValveStainless steel hardwarePick 'N' Pluck foam with confoluted lid foamLifetime Guarantee of ExcellenceInterior Dimensions: 7.25 x 4.75 x 3.06" (L x W x D)Exterior Dimensions: 8.12 x 6.56 x 3.56" (L x W x D)