Roadway sillboard is made of polyurethane which is flexible and has added additive to protect it against abrasion and ultraviolet radiation and can adapt to uneven soil conditions

摘要

The roadway sillboard (1) is made of polyurethane and is flexible and has added additive to protect it against abrasion and ultraviolet radiation and can adapt to uneven soil conditions. All materials are thoroughly dyed and a metal layer is fused in order to expand the material and prevent ripple effect.