The Martin's IGR Insect Growth Regulator comes in a pack of four 1 fluid ounce bottles, providing effective long-term control of pests such as cockroaches, fleas, and gnats for up to 7 months. This concentrated liquid treatment can be used both indoors and outdoors on carpet, rugs, furniture, draperies, and more. Made in the United States, this product contains Naphthalene, which is known to cause cancer. It is important to follow the instructions and precautions provided on the packaging to ensure safe and effective use.