BlackSwirlWind is the famous brand of insecticide in Hongkong, China. Professional insecticide began from the beginning of 1946, now updated. Superglue firmly stick insects, the cockroach will especially like the bait, please put the trap in dark places where bugs often appear. One set included: one trap box + one small bag of the bait. Condition:New Compatiblity:Roach Trap ,Roach Motel, Pest control only One room( 60m2 ): need 10-12 Sets of the traps. Two rooms( 90m2 ): need 15-20 Sets of the traps. Three rooms( 120m2 ): need 23-28 Sets of the traps. Four rooms( 150m2 ): need 25-30 Sets of the traps. More traps faster kill all of them. How to use it: 1.Pls open the Cockroach trap. 2. Peel off the white paper cover the glue sticker.Â 3. Crush the bait into powder or smaller, and put it in the center of the trap. 4. Pls fold it according to the crease of the Cockroach trap. 5. Complete it, put it at the places where roaches appear often. Attention: It’s an environmental safe product, but please don’t eat the bait which is prepared for killing the roaches.