Designed specifically for rats & mice with a taste for FISH! Pro-Pest Fish flavor attractant is a non-toxic rodent-loving food based attractant for use with rodent devices such as snap traps and glue boards. Use in seafood markets, ports where they sell fish, cannery accounts or anywhere that fish & shellfish allergens are not of concern. Contains fish oil. 18 syringes/18 plungers per box.