According to Xtra Airways’ baggage policy, each ticketed passenger is entitled to transport as checked baggage free of charge one bag up to 50 pounds and 62 inches (total linear dimensions – length plus width plus height).
Passengers may also carry on without charge, one – additional bag totaling no more than 45 inches in overall linear dimensions, and weighing no more than 40 pounds, which is capable of being stowed under a passenger seat, in an overhead compartment, or in an empty passenger seat.
For more details visit : http://www.xtra airways.com/Baggage/Baggage-Information