Catchmaster, Spider Web Fly Glue Trap, Catches Hundreds Of Thousands Of Flies & Other Flying Insects, With Adhesive On Both Sides It Easily Unrolls To Be Hung Vertically Or Horizontally For Use In Barns, Greenhouses, Animal Enclosures & Garbage Rooms Or Wherever Flies Are Present In Large Numbers, Food & Pheromone Attractants Are Incorporated Into The Glue To Lure Multiple Fly Species Using A Pesticide Free Method, Environmentally Friendly, Reduces Pesticide Use, Non-Toxic & Disposable, No Mess.