Bratayley like many other Youtubers have a PO box. They get stuff such as Letters, Small toys, Gifts ETC. Back in 2012 on the Caleb's channel "Blazenooutlaws" now "Flimsyarrow" the family started a series called "Snail Mail" which lasted from October 2012- January 2013 with 5 episodes in total. In the blog "Celebrating Life". Annie, Haley and some of their friends helped open fan mail from their Australian meet and greet. They also opened some mail in 2015 in a video called "Opening Your Mail!". Their Po Box is
Bratayley 5635 Main St. Suite A PMB 256 Zachary, LA 70791
Remember this is not their real address nor the town they live in :)THIS IS NO LONGER THE ADDRESS! SORRY GUYS.