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About product and suppliers:
        Alibaba.com offers 26,011 us envelope sizes products. About 28% of these are mailing bags, 18% are packaging bags, and 15% are paper envelopes. 

A wide variety of us envelope sizes options are available to you, such as kraft, ordinary paper, and poly bubble. You can also choose from gift envelope, business envelope. As well as from security, recyclable, and moisture proof. And whether us envelope sizes is mailing, or gift. 

There are 26,011 us envelope sizes suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of us envelope sizes respectively. 

Us envelope sizes products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 11,447 with ISO9001, 5,723 with ISO14001, and 4,089 with Other certification.