3 Pack, Fly Magnet Bait, Patented Non-Poisonous Bait, Simply Empty The Bait Into The Victor Fly Magnet Trap & Add Water, The Result Creates A Scent That Flies Cannot Resist, Once Trapped, The Flies Drown In The Water Based Mixture, Safe Around Children, Pets & The Environment, For Outdoor Use With The M382 & M380 TV #672-503.Woodstream