Standard airline crate with wooden height extender.  Extenders can add 3 or 5 inches to the XL and giant crates

Aluminum 3 inch extender can be ordered online.  Available for the XL crate only

Custom IATA 82 wooden crate for strong jawed breed are required by many airlines 

IATA 82 metal crate can be ordered online

Wire mesh or burlap covered crates are required for gnawing animals. Birds require a perch & ferrets a hammock.

Custom crate prepared for loading on the aircraft.

Custom oversize breed crate

Inside of a different style oversized breed crate