Hazardous Material Systems are suitable for shipping paints, solvents, and corrosives. Meets Hazardous Materials Classifications 3-9 (except 6) / Packaging Group II & III Approved for Air, Ground, and Sea Shipments. All components of the Hazardous Materials package must be used (no substitutions) in order to comply with UN4G Hazardous Materials testing. Each UN 4G Haz Mat system includes: One - UN 4G Haz Mat Carton. Plastic Overseals. Paint Cans and Lids. Two - Foam Pads for Each Paint Can. One - Poly Bag for Each Paint Can. One - Tie for Each Paint Can. Meet compliance with Hazardous Materials Shipping Labels.