Description: Made of reinforced polyester material, wear resistance, high strength, durable and lightweight With back adjustable buckle, adjust size for different people With chest buckle, adjust chest ascender after the installation To eliminate slack between your body and your chest ascender thus increasing efficiency dramatically Safety harness shouder strap for survival, outdoor rock climbing, tree arborist, caving, roofing, rappelling, mountaineering, etc. Specification: Material: Polyester Length: 100cm/39 inches Width: 18mm Package Includes: 1 Piece Climbing Chest Ascender Strap