deb, they really are beautiful...wow...
USPS offers a set priority shipping box. You can order these boxes for FREE. There is a set shipping so you can charge a flat shipping rate (no matter how much the item weighs as long as you can stuff it inside the box without altering the box).
Order it on line and the USPS will deliever these boxes to you FREE...even tapes!!
free USPS supplies
good luck!!