#5 nylon coil extra-long separating zippers feature teeth that measure just over 5mm (1/2 inch) wide when zipped. These medium-weight #5 extra-long separating zippers separate at the bottom, jacket-style. 

These are one-way zippers (they have one slider). 

Choice of 3 sliders:

• 1-Handle Autolock is typically used on garments and upholstery
• 1-Handle Nonlock is typically used on bags
• 2-Handle Nonlock Slider is typically used for tents and similar applications (i.e. sleeping bags) where inside/outside access is needed.