It's made of NR with 10″ metal chain.

Inner packing:
50pcs / box

Outer packing:
200pcs / ctn

Our Rubber Flapper comply with International Quality Standards and their quality and durability are fully guranteed.

Contact information: Inquire

Address:	1 / F, Renmin Road, Caifa Industrial Area, Guanlan Town, Shenzhen City, Guangdong Province. China
Company Name:	Shenzhen Suntai Rubber Co., Ltd.
Contact Person:	Katy Shen
Fax:	86-755-28016345
Mobile Phone:	86-13923465812
Telephone:	86-755-28016959
Website:	http://www.suntai999.com
Zip:	518110