Help Please
I went to the USPS web site and found the following:First Class Package International Service, Minimum is $ 17.00USA. The Max weight is 4 lbs. Length is 6 minimum to a max of 24 inches. Height, 4 inches minimum. Combined, length,height, and depth is 36 inches. On a side that is 6" x4" the postage,address, custom forms must be attached.
Hope this info helps you.