Niewiadów sandwich vans are specialized universal trailers made of sandwich slabs, whose outer and inner layer is made of polyester laminate and thermal insulation of XPS sturodur, which is highly moisture resistant. Van trailers are designed to transport various types of goods, protecting them against weather conditions. It is an excellent alternative for trailers with a frame and tarpaulin or a delivery truck. The standard vans are made in white with double, bolted and locked doors. Optionally, for an extra charge, they can be converted into trap or combi trap – it gives the possibility of tilting the door both as a door and as a trap. Each of the vans is equipped with floor brackets for securing the load, omega clip of the side wall, 2 fixed supports and a jockey wheel.