Our Roach Ace Bait Station contain cornstarch, vegetable oil, and glucose. It attracts cockroaches and ensures that they die if swallowed. Its use method is very simple: open the package, take a piece of this product, stick it on the bottom with double-sided adhesive, and fix it in the position where cockroaches often haunt. Easy to use, long-term effective, can reduce the number of repeated applications, save time and energy.