The SINGLE shipping box is a single compartment for shipping up to 2 non-aggressive birds. The overall box dimensions are 18 x 8 x 18. Horizon shippers are approved by the USPS for shipping live birds through the mail.
Box weight when empty is 1.7 pounds , and has a max allowed weight of 10 pounds when loaded.
Ideal for 2 pigeons, 1 duck or pheasant, 2 Old English Bantams, 1 larger game bird or bantam, or several passeriformes (canaries & finches)