This mailer envelope is made from 26pt kraft cardboard. It is rigid and resistant to bending and
crushing. The structure features with bottom fold and strong side heat seal for super strength. The surface easily accepts ink, stamps, and labels.
Water-resistant treatment makes it not easy to break or deform in humid or rainy environments.
It has one self-sealing adhesive strip, which makes it tamper-evident.
The tearing strip and perforated line made it easy to open.
This envelope can be used for mailing many items like photos, cards, important documents, books, CDs, and DVDs. Size and GSM can be customized.