I received my TG bow(R/D) in a box similar to what Badger mentioned but with luan plywood front and back.
Ship it USPS, PRIORITY MAIL. It will get to its location in 2 or 3 days with fewer postal handlers touching it. It will come with $50 insurance. Don't get more insurance unless you can prove the added value to the PO, which is almost impossible with a selfbow.