DETEX BLOX contain no poison and are frequently used by professionals to monitor rat and mouse activity. DETEX BLOX is the safe and non-toxic rodent bait made from 16 human food-grade ingredients, making it ideal for monitoring rat and mouse activity without concern of harming children, pets, or other non-target animals. Each 20g BLOX is formulated with Bell's highly palatable bait formulation for superior bait acceptance and weatherability. DETEX BLOX may be used in any add-your-own-bait bait station, but are suggested for use with PROTECTA Mouse and PROTECTA RTU mouse-size Bait Stations or PROTECTA rat-size and PROTECTA LP Bait Stations. 1 bucket contains over 80 bait blocks. Each bait block is 20 grams.