Features: 1. Adjustable shoulder strap, suitable for men and women. 2. Applicable occasions: police, production workshop, construction site, dangerous place, portable carrying walkie-talkie equipment and various operating tools. 3. Originally designed for ski patrol and mountain rescue, this single size fits all radio harnesses will be adjusted immediately to keep any size radio attached to your chest. 4. Improve the reception in the vertical direction of the device, extend the life of the antenna, and reduce the chance of chest injury when falling. 5. Made of high quality nylon material, durable to use. Specification: Material: Nylon Color: Black and Yellow Package Size: about 31.4*22.7*4.7cm/12.36*8.94*1.85in Package List: 1 * Chest Harness Front Pack