T.J's Herbal Cockroach Repellent Gel is an easy and ready to use Gel Formulation in a Tube with a Nozzle. Apply TJ's Herbal Cockroach Rep Gel by gently pressing the tube to the Cockroach Infested areas/ where ever you find cockroaches.The Gel contains natural cockroach attractant and herbal Cockroach repellent. After spot application of gel, the cockroach gets attracted towards the gel & eats it. Upon eating the gel, Cockroach dies within 12-24 hours in the sewerage, where they come from. This cycle continues till the last cockroach exists in the house. Thus it makes your house Cockroach Free. It is eco-friendly and non-hazardous to Humans. However, avoid any direct contact with the product. Just keep the applied and remaining product away from water. Once applied, it's effective for up to 2-3 months& One 20 g Gel is sufficient for 300-400 sq ft.