Check the listing for details. 8 STAYPUT Bungee Ultimate Shock Cords and 8 Pull Cords. Color: Black, Condition: New. Listed at 44.51 USD. Ultimate Stayput Shock Cord Clips / Loops... Color: BLACK You will receive 8 Sets. 8 Bungee cords, 8 clips to hold the cord, 8 clips for the back of the cord clip, & 8 pull cords (for easier pulling of bungee, and saves your fingers from getting pinched! ) Each 1 set includes: 1 Bungee cord, 1 clip to hold the cord, 1 clip for the back of the cord clip, & 1 pull cord · Simple installation in varying thicknesses of fabric without the need for any special tools.· The large back plate provides a greater contact area with the fabric reduces the risk of tearing out and damaging the fabric.· Brass machine pressed crimps on the shock cord will not rust or pull off.· The fitting can be removed & re-fitted with a new cord without damage to the fabric, making the Stayput Loop the best and most versatile on the market.· Knob diameter: 1 1/8" - Knob height 9/16"· Shock cord diameter: 3/16"· When relaxed - shock cord loop end to center of knob is 3". Overall length is 3 1/2" end to end.· When pulled tight - shock cord loop end to center of knob is 4 1/4" to 5" end to end (max. extension when pulled tight)To attach to your cover you will need to put a small hole in the canvas, less than 1/4 inches.They are manufactured from UV stabilized nylon and acetyl compounds. Originally designed extensively for the marine market, are now used in all areas of fabric fastening. If you need something different than listed, let me know happy to accommodate. You will receive a complete set of 8 fasteners, if you need 16, purchase 2 sets, if you need 24, purchase 3 sets etc... Thanks Check out my other items!