These handy traffic mirrors are the ideal choice for safety purposes. Durable material: The two-way mirror is made of lightweight, shatterproof acrylic, making it very durable and impact-resistant. Enhanced visibility: The 90-degree mirror reflects wide-angle images through its curved mirror surface to expand the field of view. Preventive measure: The safety mirror can reduce risks and prevent unexpected accidents, helping to improve traffic flow at strategic locations. Easy installation: The corner mirror comes with mounting accessories for straightforward installation. Mirror material: Acrylic | Mirror diameter: 40 cm | Mirror thickness: 2 mm | Delivery includes: 2 x traffic mirrors.