The lenses of the glasses are made of transparent profiled polycarbonate, thanks to which they provide side eye protection. The temples are made of PC. The glasses protect against low energy chipping of solids produced during grinding, drilling, cutting, sawing, crushing. They are perfect for typical work in industry and services, construction, in the workshops, forestry, in technical or municipal works. They are not suitable for use during welding. The glasses additionally have a string, adjustable in length with a rubber clamping element for sunglasses, sports glasses and glasses for reading. It is made of high-quality material, solid and durable weave. It is finished with rubber ends on both sides, with an adjustable clamping element for all types of glasses.