Freshens urinal with 10 times morefragrance, gradually released over 30 days. Natural oils ensure quality fragrances that are more appealing. Colorful, translucent design will definitely getnoticed. Pliable, recyclable material traps more debris and can be molded to better protect drain. Safe for waterless urinals. Low VOC (per CARS and OTC). Recyclable. 12 per box.