10 Pack FeatherEx Premier Shipping Boxes One FeatherEx Premier Box: 18" long x 10" wide x 19" true height. Total weight must not exceed: 10 lbs Box comes glued and Ready To Go. APPROVED BY USPS. Light weight and durable. Made in the USA. Can assemble in 10 sec. Better ventilation - Air-vents glued with bio-filter fabric. Comes with diagonal divider and bottom insert piece Shipping is available to AK, HI & PR via USPS Standard Post. Inspection viewing window for official use to see the condition of the birds. Equipped with Tie holes and Easy-to-carry handle.Wider than our competitors box.