UN-approved storage and transport system for solid hazardous goods (classified in packaging groups ll and lll), ideal for collecting lithium batteries for recycling and disposal.manufactured from high-density, impact resistant PE plastic (PE-HD) Stackable, and safe to transport, units are supplied complete with lid and ratchet tie down straps.For reasons of fire protection, use only in combination with suitable buffer material (e.g. vermiculite or expanded glass granulate.