MOOLYAVAAN PRODUCTS Brings- Reusable mailers are now popular because they can easily be used more than once. Two adhesive strips and a tear strip in between the two. That lower adhesive strip for first use, when the mailer is opened by the recipient, it exposes the second (upper) adhesive strip that can now be used for a second or return shipment. Constructed from oiled craft paper, robust and water-resistant paper mailing bags to protected during transit.