Model Number: LD-N017 Brand Name: ORO Key Specifications/Special Features: Nylon zippersare made of polyester coil and are thus also termed polyester zippersNylon was formerly used and though only polyester is used now, the type is still also termed coil zipper Zipper type: Open ended/auto lock Materials: Nylon Size available : #3, 5, 7, 8, 10 Tape color: Customized Applications: Bags and garments