Packs & Overpacks are for use with smaller non-damaged bottles, cans, carboys and 5 gallon pails of non-leaking hazardous materials-if leaking, must pack with sufficient sorbents for-NO FREE LIQUIDS. Ideal for safe storage, handling and transportation of hazardous materials, spill containment and cleanup of hazardous materials, original shipping container, bio waste disposal and incineration.