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About product and suppliers:
        Alibaba.com offers 1,708 dl envelopes products. About 80% of these are paper envelopes, 10% are mailing bags, and 1% are packaging bags. 

A wide variety of dl envelopes options are available to you, such as ordinary paper, kraft. You can also choose from business envelope, gift envelope. As well as from wallet envelope, window envelope. And whether dl envelopes is free samples, or paid samples. 

There are 1,708 dl envelopes suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of dl envelopes respectively. 

Dl envelopes products are most popular in North America, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 170 with Other, 112 with ISO9001, and 69 with ISO14001 certification.