The hand-held electronics protection solution Watertight crushproof and dustproof Easy open Double Throw latches Open cell core with solid wall design – strong light weight O-ring seal Automatic Pressure Equalization Valve – balances interior pressure keeps water out Stainless steel hardware Pick N Pluck with convoluted lid foam FOAM LAYERS Layer 1 (Lid): 1.10"e; Convolute Layer 2 (Base): 0.50"e; Pad Layer 3 (Base): 1.50"e; Pick N Pluck INTERIOR (L X W X D) 10.54"e; x 6.04"e; x 3.16"e; (26.8 x 15.3 x 8 cm) EXTERIOR (L X W X D) 11.64"e; x 8.34"e; x 3.78"e; (29.6 x 21.2 x 9.6 cm).