Powerful Suprawell cardboard mailer with self-adhesive closure is suitable for shipping books, catalogs, booklets etc. and available as large envelopes for calendars. Toppac carton mailers are more flexible and suitable for shipment of photos, posters and the like. Paper envelopes and carton boxes can be a good alternative to bubblemailers when you want a stiff envelope for storing or shipment of goods. Buy paper envelopes A4 and envelopes of card A3 here | Fast delivery