The Rollet® features heavy duty polyethylene construction that gives the unit increased cleanability and also the ability to allow x- ray scanning in environments where there are security concerns. The plastic construction eliminates the personal danger of sharp edges and corners found in metal carts. Based on a footprint of 32 inches by 28 inches the units are available in heights of 48 inches or 60 inches. Shelving can be installed to accommodate varying sized loads. Units can be broken down in minutes, without tools for compact return shipment. The doors can be locked for secure transport and storage of contents. Standard 5.4 inch wheels assure smooth movement on most surfaces. Units can be custom colored and decorated with corporate logos and is RFID capable.