Hazardous materials shipping kits are preassembled, UN-certified boxes for shipping hazardous materials. They are labeled with arrows that indicate the top of the box so handlers can keep them in an upright position. These shipping kits are printed with codes that identify the type of hazardous material inside, alerting the carrier to the contents. They are commonly used to ship paint cans, jugs, pails, lithium batteries, chemicals, or other containers of hazardous solid or liquid contents securely and safely.