Enoz Old Fashioned Moth Balls protect clothing and other materials by killing clothes moths and carpet beetles and their eggs and larvae when used in air-tight containers and storage closets. Each 16 oz box can treat up to 49.6 cubic feet of storage space. Contains 2 convenient, single use packs, each packet treats up to 24.8 cubic feet of storage space. The convenient single use packets allow air to flow through packet so active ingredients can sublimate. Sized right for consumer use. Child deterrent film meets EPA (Environmental Protection Agency) requirements to prevent access of loose moth balls to children.