Sansha Packaging offers sturdy mailer boxes ideal for online stores, subscription boxes, and secure product shipping. Our custom printed mailers include options like printed blue and white small mailer boxes, holiday mailers, and more. We also provide vinyl LP album mailers, LP record shipping boxes, and Christmas mailer boxes. Designed for U.S. businesses, our mailers ensure safe del... https://www.sanshapackaging.com/custom-mailer-boxes/