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&quote; Convolute Layer 2 (Base): 0.50&quote; Pad Layer 3 (Base): 1.50&quote; Pick N Pluck INTERIOR (L X W X D) 10.54&quote; x 6.04&quote; x 3.16&quote; (26.8 x 15.3 x 8 cm) EXTERIOR (L X W X D) 11.64&quote; x 8.34&quote; x 3.78&quote; (29.6 x 21.2 x 9.6 cm).