Each kit contains eight refill boxes containing one box each of Mayer’s Reagent, Marquis Reagent, a box of tests for Cocaine/Crack, Methamphetamine/MDMA, Heroin, a box of Poly Bags for test disposal and a NarcoTest Instruction Manual. The Standard Kit comes in a hard plastic portable case for easy transport. You can also purchase a custom squad kit with your choice of tests. Includes a box of poly bags for test disposal and a NarcoTest Instruction Manual.