Material and durability: Made from environmentally friendly PVC, these traffic cone bars are weather resistant, resist fading and cracking, and are solid, stable, and lightweight for easy handling and long service life. Adjustable length: Extends from 4.2 ft to 7.22 ft (about 1.28 m to 2.20 m) with an extendable design. The adjustable length helps match different traffic needs and simplifies storage between jobs. Compatibility and ease of use: Fits over many traffic cones using builtin end rings with a diameter of about 10 cm (3.9 in), providing quick setup without special tools. Visibility and safety: Reflective for visibility in day and night, delivering 360degree visibility in mud, fog, rain, snow, and other adverse conditions. Portability and performance: Lightweight and portable, built to perform reliably in a range of weather and site conditions. Use scenarios: Road work or temporary lane closures on city streets or highways. Outdoor events, parades, or stadium setups requiring secure cordons. Parking lots, warehouses, and loading docks to guide traffic and designate safe zones.