Mole Pop'rs Mole Repellent is easy and safe to use. This mole repellent features natural ingredients that are pre-mixed and molded into pellets. The Mole Pop'rs Mole Repellent is effective for up to 90 days (depending on amount of rain). Mole Pop'rs use all-natural ingredients to chase moles away. Simply pop the specially formulated pellets into the mole run at 2 to 3-ft intervals. Once activated by the moisture in the ground, the Mole Pop'rs Mole Repellent pellets release odors that make moles want to leave in a hurry! Effective for up to 90 days, the Mole Pop'rs also repel voles and gophers. You can also break the pellets apart and scatter in your garden to repel rabbits, ground squirrels, and armadillos. Mole Pop'rs Mole Repellent is non-toxic and won't harm wildlife, children, or pets.