Positively the most effective and economical fly catching product available. Spiderweb combines a premium glue formula with a highly attractive and universally tested fluorescent chartreuse color. This has beenproven to attract flying insects better than any other color combination. A food bait as well as a sex attractant is added to make the Spiderweb even more effective. The trap is a 23' x 12" roll with double sided glue surfaces. Pull out in increments of 6 to 8 feet and place horizontally over areas of high fly density where livestock are housed. When the exposed area is full of flies, simply roll up and pull out a fresh new surface or replace the trap. The Spiderweb comes complete with everything that is needed to hang traps including string and metal hooks. 12 rolls/case.