With 2 weeks of steady fragrance per Vent Wrap, a 4-pack delivers up to 60 days of fragrance. These air fresheners are made in the USA with high-quality, strong and long-lasting fragrance. Vent Wrap is invisibly fresh! This slim auto air freshener design slips onto the vent blade, allowing air to flow freely while delivering a consistent, pleasant scent. Black Ice auto air freshener has a mysteriously enticing masculine scent of citrus and woods.Dimensions: 0.38 Inch x 2.88 Inch x 6.38 Inch