Wagon liners are used in transportation of bulk cargoes in the open moving rail transport (open railway wagon). Wagon liners protect packaging of the goods as well as the wagon and environment.

Wagon liner is a flexible railcar liner for single use for transportation of bulk goods, with fastening elements to the rigid parts of the gondola railcar, with 4 sleeves on the top. For transporting alumina designed to be installed in the interior of gondola railcars under further loading of alumina in bulk and for alumina protection during transportation by rail from weather conditions/effects (rains, humidity) and spillage / loss of cargo.