This popular mothguard mothballs has a net content of 10oz which is about 80 mothballs. The box of mothballs can treat up to 31.2 cu ft. One ounce of mothballs(or 8 mothballs) can treat up to 3 cu ft of storage space. The mothballs kills clothes moths, carpet beetles, their eggs, and larvae. No clinging odor. Odors quickly vanishes when articles are aired. Active ingredient: 99.75% Paradichlorobenzene.