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About product and suppliers:
        Alibaba.com offers 15,968 class sleeves products. About 6% of these are insulation materials & elements, 1% are plus size shirts & blouses, and 1% are ladies' blouses & tops. 

A wide variety of class sleeves options are available to you, such as anti-bacterial, anti-uv, and breathable. You can also choose from pe, polyester / cotton, and fiberglass. As well as from sportswear, blouses & tops. And whether class sleeves is oem service, or in-stock items. 

There are 15,968 class sleeves suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of class sleeves respectively. 

Class sleeves products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 4,007 with ISO9001, 3,541 with ISO13485, and 2,525 with Other certification.