These little scents bursts are packed with fragrance and make amazing air fresheners. They can be used loose in many things like decor or place in the included sachet bag to take with you on the go. Want more fragrance just add more bursts. Whether in your car, RV, closet or drawer these will make even the smelliest places smell good. Bursts will last anywhere from 2 weeks to 2 months based on location and amount used.