Sand containers 550 liters. New manufacturing technology, vacuum injected polyester that significantly improves the working environment and radically reduces the burden on the external environment. Lids and boxes have been changed in both appearance and durability.The lid is corrugated which provides stability and strength. The box and lid have no rough surfaces, both inside and outside are complete smooth. Hinges, bolt and chain are galvanized. Internally mounted chain as a stop for the lid in the open position. 10 cm high legs allow the boxes to be moved by truck. Lockable box with padlock cover available as an option.