Sterling 1 Rescue BFTD-DB12 Big Fly Trap (Case of 12) Case of 12 Big Bag Fly Traps. Designed to handle areas with heavy fly concentrations. No chemicals, no mess, no sticky paper, and no dead flies to handle; No pesticides Trap design eliminates touching the bait or the flies, disposable and environmentally safe Attractant dissolves and activates quickly when water is added to the bag Shelf life: Does not expire; Made in USA