Great Value - Minimum of 96 tablets included to treat a minimum of 12 rooms, long lasting when kept dry & extremely cost effective | EPA Registered - Registered with the Environmental Protection Agency (No. 3-1) for use in homes with people & pets | Irresistible to Roaches - Active ingredient 40% boric acid w/ our formulated lure to attract roaches. Does not have an expiration date. | Kills the Entire Colony - Roaches carry boric acid back to their nests to kill the entire infestation | Easy to Conceal - Use in hidden areas - under drawers, appliances and cabinets