Moth-Tek paper covered. Kills clothes moths and carpet beetles and their eggs and larvae when used in air-tight containers. This product can treat up to 18.75 cu. ft. Neat & easy to use! Enoz Moth-Tek Moth Ball Packets were specially developed to provide the unsurpassed protection of mothballs without the harsh smell and messy residue. Enoz Moth-Tek combines one of the most effective mothproofing ingredients available with a fresh linen scent to create a hard-working mothball that actually smells good! These fresh smelling mothballs are enclosed in breathable paper packets, which allow the active ingredients to work while protecting you and your clothes from messy flakes and residue. Don't forget moths eat all natural fibers, so use Enoz Moth-Tek for storing cottons and silks as well as woolens. Carton made from 100% recycled paperboard. Minimum 35% post-consumer content. Made in USA.