About product and suppliers:
            309 opaque envelope bag products are offered for sale by suppliers on Alibaba.com, of which mailing bags accounts for 79%, other packaging materials accounts for 6%. 

A wide variety of opaque envelope bag options are available to you, such as poly bubble, poly, and kraft bubble. 

There are 309 suppliers who sells opaque envelope bag on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., from which the percentage of opaque envelope bag supply is 99%, 1% respectively.