1. Adjustable shoulder strap for men and women. 2. Applicable occasions: , production workshop, construction site, dangerous place, portable carrying -talkie equipment and various operating tools. 3. Originally designed for ski 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 nylon material, durable to use. Spec: Features: Adjustable shoulder strap for men and women. Applicable occasions: , production workshop, construction site, dangerous place, portable carrying -talkie equipment and various operating tools. Originally designed for ski and mountain rescue, this single size fits all radio harnesses will be adjusted immediately to keep any size radio attached to your chest. 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. Made of nylon material, durable to use. Specification: Material: Nylon Color: Black and Yellow Package Weight: 291 g Package list: 1 Chest Harness Front PackApplicable occasions: , production workshop, construction site, dangerous place, portable carrying -talkie equipment and various operating tools. Adjustable shoulder strap for men and women. 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. Made of nylon material, durable to use. Originally designed for ski and mountain rescue, this single size fits all radio harnesses will be adjusted immediately to keep any size radio attached to your chest.