These MailTuf mailing bags are a premium mailer constructed from layers of 75mu (300 gauge) co-extruded polythene for extra strength and resistance against tears and punctures in transit. Our 305 x 405mm size waterproof MailTufs are useful for sending a range of non-fragile products such as clothing or books, and feature an easy peel and seal strip to enable quick packing and eliminate the need for extra tape. Available in an economical pack of 500 mailing bags. Please note: the MailTuf range may differ slightly in colour. Polythene manufacturing has a 10% tolerence for lighter of darker colouring.