About product and suppliers:
            480 expansion poly mailers products are offered for sale by suppliers on Alibaba.com, of which mailing bags accounts for 5%, plastic bags accounts for 1%. 

A wide variety of expansion poly mailers options are available to you, such as pink, white, and blue. 

There are 35 suppliers who sells expansion poly mailers on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of expansion poly mailers supply is 100% respectively.