Rubber liner for extra protection doubles as o-ring sealnEasy open latchnCase is able to be submerged under 1 meter of water for up to 30 minutes in accordance with IP67 testing parametersn4.37u0026#34; x 2.87u0026#34; x 1.68u0026#34; InteriornEasy open latch. Rubber liner for extra protection doubles as o-ring seal. Stainless steel hardware. Carabiner. Lifetime Guarantee of Excellence. WATERTIGHT*, CRUSHPROOF, AND DUST PROOF. *Case is able to be submerged under 1 meter of water for up to 30 minutes in accordance with IP67 testing parameters.