1/4" wall thickness gives extra strength. Won't rust, rot or splinter as a result of rough handling. Non-stick, seamless surface is impervious to most industrial chemicals and detergents. Easily hold over 150 lbs. Choose either ventilated totes that promote air circulation or solid models with smooth interior walls. 100% recyclable high density polyethylene. Boxes do not contain fiberglass that can cause skin irritation. ISO 9001 certified. Sold in carton quantities only. SPECIFY COLOR: BL - Blue, BK - Black. IN STOCK.