Controls nuisance flies! It starts killing them in as little as 60 seconds. Its red pellets contain two fly attractants to lure them for elimination. QuickBayt contains Bitrex®, a bitter substance to help prevent accidental ingestion by children and animals. Ready to use as scatter bait, but also easy to use in bait stations or dilute it in water and spray on your kennel or dog box to control. Use indoors or outdoors. 350grams.