actually..... USPS & UPS will take naked boxes for shipping... just needs a clear label....) I use the backs og junk mail or old paper grocery sacks..... cut to sz I want/ glue stick it on box.... and off it goes!!!
I reuse ever box for xmas gifts too..... It;s a running joke at gift time around my family... " oh look, mom got me a box of crackers!!!" LOL