Unlike most pest control granules available to consumers, this premium formula is made with sand and two pesticide ingredients. Sand is very dense, so it allows the active ingredients to penetrate surface materials like mulch to start working fast. Sand also releases the active ingredients very quickly to kill listed insects by contact. You can count on AMDRO quick kill home perimeter insect killer granules to kill listed insects around the outside of your house fast, so they can’t come inside.Kills insects by contactKeeps on killing for 3 monthsProvides a protective barrier to keep bugs away all seasonOne-bottle can protect your home for up to 3 monthsEfficient formula apply 2 ft band around home, treats an average home size 5 times