Cardboard Mailer Envelopes Capacity Book Mailers 249mm x 352mm Royal Mail Large Letter Card Rigid Secure Postal Pack of 20

Reliable, easy to store and easy to use flat pack design with peel and seal strip these mailers are the ideal solution for you in you are looking to improve your postage. Save Money – Sized for the average Royal Mail letter box limits, these mailers will reduce your costs and improve postal service by providing a cost-effective solution to your postal requirements. Save time – These book mailers arrive flat packed, so simply expand the mailers, pack your items, and remove the strip and close your parcel. Easy to use and allows for easy packing and efficient storing. Save on protection- The mailers are made from cardboard, which is sturdy, rigid and secure allowing you to safely post your items without the fear of them being bent, scratched or easily damaged by any means. Professional, the slick yet simple design provides a professional, yet simple design improve the look of your parcels as apposed to the standard grey mailing bags which look poorly packed, poorly protected, and unprofessionally posted.