RESCUE!(R) Fly Bag The RESCUE!(R) Fly Bag catches flies in bulk and is simple to use. Use around the barn and other outdoor areas with heavy fly concentration. Just add water and hang! When the trap is full simply take it down, close the yellow top and throw the entire trap in the garbage. This trap is baited for fly species which are most common in agricultural areas - including house flies, false stable flies, blow flies, blue and green bottle flies, flesh flies, face flies and many others. The RESCUE!(R) Big Bag Fly Trap contains a fast-acting fly attractant that starts working as soon as you add water. Food and feed additives are combined with other dried ingredients to make the RESCUE!(R) attractant. Lured by the scent, flies enter through the yellow top cap and drown in the water. Features: Designed to handle outdoor areas with heavy fly concentrations Powder attractant is contained within the trap itself Attractant dissolves and activates quickly when water is added to the bag Trap's design eliminates touching the bait or the flies Completely disposable Made in the U.S.A. Size: Small Bag: holds approximately 20,000 flies Large Bag: holds approximately 40,000 flies Warning: Keep out of reach of children and pets. For Product Label and MSDS Sheet, please click on Manufacturers Information to the right.