Strong Corrugated Board Envelopes

- Snug fit design for up to 30mm thick paperbacks, CDs and DVDs. Will also happily embrace delicate flat items such as vinyl records, photobooks and fine art materials. - These sleek, rigid envelopes are letterbox friendly and cheaper to post at only 1.8mm total thickness. Better than bubble mailers – online retailers report nearly 70% fewer returns and 25% faster packing Easy-stack design and corner stiffness cuts damage in transit