5m Long Zipper:The zip is 5m long (196inches/5.46Yards), suitable for larger items such as sleeping bags, dog beds, tents, etc. Of course you can also cut the zip to your desired length. Material: the zip part is made of resin and polyester fibre material, the zip head is made of alloy, which can withstand a relatively large weight. Two Zipper Pulls Inside and OutWith double zip sliders on both the front and the back, you are able to unzip the zip whether you are inside or outside. Convenient for you to use. Wide Usage:for Sewing, Sleeping Bag, Boat, Marine, Canvas, Cover, Trampoline, Tent, Dog Bed, Jackets and other outdoor products #10 ZippersThis polyster zipper is very easy to be cut at whatever length you want. Sufficient quantity can meet your daily different craft sewing needs for a really long time.