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About product and suppliers:
        Alibaba.com offers 1,763 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 gift envelope, business envelope. You can also choose from ordinary paper, kraft. As well as from free samples, paid samples. 

There are 1,763 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 102 with ISO9001, 63 with Other, and 47 with ISO14001 certification.