Make your car Invisibly Fresh with Little Trees Vent Wrap – an air freshener that blends in with a scent that stands out. The slim design allows air to flow freely while delivering a consistent, pleasant scent. Vent Wrap easily slides onto an auto vent blade for a seamless and hidden look - notice the scent, not the air freshener. With two weeks of steady fragrance per Vent Wrap, a 4-pack delivers up to 60 days of fragrance. Vent Wrap comes in a stay-fresh pouch, sealing in the fragrance until you are ready to use it.