These sachets are made from recycled plastic beads that are specially scented with some of your favorite oils through our special process. The beads are completely dry when finished and are bagged up in colorful organza bags ready for you to hand in your car,truck,RV,camper, closet or anywhere air can circulate around them. They will scent the area for up to 8 months without any action on your part. They also work great in a sunny window. Three pack of sachets