The Zipper Rescue Kit is just the thing you need to get your old zippers working again. Do you have a zipper that remains open after you zip it? Repair it yourself! This kit contains 8 YKK sliders in 4 sizes, 2 top zipper stops, 2 bottom zipper stops and a detailed instructional manual. Great for sleeping bags, tents, jackets, duffels and more.1 ea.- 5mm single and 1ea double pull tooth slider. 1 ea.- 4.5mm single and 1ea double pull coil. 1 ea.- 5mm single and 1ea double pull coil. 1 ea.- 8mm single and 1ea double pull coil. Includes 2 top stops and 2 bottom stops Instructions included Weight = 3 oz.