Onsight Resoles - If you're shipping shoes to me then these 2 boxes are your friends people!!! The box on the left is $15.05 and fits 4 pair of average size shoes.
Priority Mail Shoe Box | USPS.com
USPS® Priority Mail® Box Size Guide
USPS® Priority Mail® Box Size Guide
Foil Insulated Box Liners - 7-1/2" x 5-1/8" x 14-3/8" (Fits in USPS Shoe Box )
Nike Air Force 1 Experimental USPS Release Info | Hypebeast