Dimensions: The case has external dimensions of 31.65" x 19.37" x 17.81" and an inner dimension of 28.8" x 17" x 15.08". It weighs 31.5 lbs. Foam Layers: The case includes five layers of foam with a pull & pluck customizable layer two solid layers and a bottom pad layer. Pressure Equalization: An innovative pressure equalization valve allows the case to quickly equalize to different air pressures. Waterproof & Dust Proof: Rubber gaskets create a waterproof seal when the case is latched closed and it is IP67 waterproof and dust proof. Secure Storage: The case has two padlock adaptable hasps for secure storage and transport. -