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 56.18 cm ; W 34.39 cm ; H 21.59 cm Outside Dimension L 61.72 cm ;  W 40.64 cm ; H 25.65 cm