These are so-called strand conveyor belts. In VICO-WR the warp is made of groups of two or three or four strand wires (each group is at a long distance from the next). The weft wires, having diameter usually larger than the warp strands, are relatively thin. This type of conveyor belt is perflectly flat, with high transversal stability, especially with weft wires perfectly straightened. VICO-WR belts are mainly made of carbon steel, galvanized steel and stainless steels.