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 L 46.48 cm ; W 33.52 cm ; H 15.74 cm Outside Dimension L 51.05 cm ; W 39.44 cm ; H 18.64 cm