YKK #4.5 nylon coil non-separating, closed end zippers featuring a long pull makes them ideal for purses and bags. Features a non-lock, extra long slider and has a medium-weight #4.5 (4.5 mm) tooth size. Tape is made of polyester. Available in a variety of colors and lengths. Please note: actual colors may vary from picture due to computer setting variances. YKK is a registered trademark of YKK Corporation in Japan and other countries/regions.