A man (@berryd_treasure) shows viewers how to customize USPS shipping boxes, via viral TikTok. They’re free and can expand to fit whatever, he claims. “How to alter a free box from the post ...

Miriam Brafman, the founder of Packlane, saw a huge potential market for customized shipping boxes. Now, her young company provides them to 11,000 brands big and small, and pulls in annual sales ...