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About product and suppliers:
        Alibaba.com offers 27,090 us envelope sizes products. About 30% of these are mailing bags, 16% are packaging bags, and 15% are paper envelopes. 

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

There are 27,090 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 12,849 with ISO9001, 6,002 with ISO14001, and 4,562 with Other certification.