Watertight, Airtight, Rustproof, Dustproof and Crush Resistant. Automatic pressure purge system. O-Ring seal. Moulded-in padlock holes (fits standard size Masterlocks). Available with or without multilayer protective cubed matrix Accuform Foam. Latches are available with keyed chrome metal locks or plastic non-corrosive locks. Chemical and UV resistant. Non-Magnetic without optional metal locks. This case will fit in overhead bin of most major airlines. All cases come with Seahorse's Unconditional Lifetime Guarantee. Inside Dimension L28.37 cm ; W 21.01 cm ; H 14.35 cm Outside Dimension L 34.54 cm ; W 27.23 cm ; H 15.95 cm