封筒材料

38137 envelopment materials products are offered for sale by suppliers on Alibaba.com, of which mailing bags accounts for 52%, paper boxes accounts for 6%, and paper envelopes accounts for 3%. A wide variety of envelopment materials options are available to you, such as children s clothing, socks and fur.You can also choose from bubble mailer, courier bag and poly mailer bag envelopment materials,as well as from poly bubble, kraft paper, and ldpe envelopment materials,and whether envelopment materials is strong adhesion, or shock resistant.