Go to your Moving Supply Company and get a Household Utility box. This is a 2 piece box with a full overlap fold on the bottom and a telescopic top that goes over it. The size of the box is 18" x 12" x 54". You'll need tape to close the box and a knife to cut the tape. Scissors will do too.
Step2
Assemble the box bottom and top. Slide the tree, base first, into the bottom part of the household box.put the smaller piece on top and push lightly to make a snug fit.
Step3
Put the top on the box and tape the top to the bottom of the utility carton.