zippers <br> The Zippers teeth are made of Nylon filament and tap made of polyester ,black zipper sliders, practical and durable.<br> 20 pcs matched non-locking black sliders <br> Package including: 10 yards black zippers (tap with nylon teeth) Slider Installation<br> 1.Get the zipper tap ready<br> 2.Cut tap one side about 1/5 inch short <br> 3.Zipper tap longer side insert to the zipper slider <br> 4.Zipper tap shorter side insert to the zipper slider <br> 5.One hand hold zipper tap and other hand Slide the puller down<br> 6.Finished install<br> If this is your first installation, be patient and practice a few times<br> Please note:Small parts, please keep them away from children.