Envelope 1.Customized design 2.various sizes,different materials envelope 3.batch process,outstanding supplier Paper envelope features:1) Buyer's sizes, printing and designs are acceptable;2) Fashionable style and process, any materail for your selection; 3) Surface disposal: Gloss/matte lamination,vanish, aqueous coating,UV coating, gold / silver stamping ;4) Delicate design, fine craftsmanship, ...