Size when collapsed is 8 1/2“ x 4 1/4“ This product is a lot of 2 vintage construction safety flasher barricade lights made of red metal by the brand Grotelite. These lights are likely used for directing traffic or indicating safety in industrial or construction settings. The durable metal construction and red color make them effective and eye-catching for alerting workers and vehicles of potential hazards in the area. Perfect for businesses and industrial facilities looking to enhance their safety measures, these vintage flashers offer a retro touch while still serving their intended purpose.