Product description Specification: Material: TPU and Aluminum Alloy Color: Red, Yellow, Blue, Black, Sliver Total Length: 23cm/9 Inches Stretch Length: 100cm/39.37 Inch Ring Diameter : 25mm/0.98 Inch Carabiner Size: 48x25mm/1.9x0.98Inch Package Included: 5PCS Sping Keychain (1PC for Each Color) Features: Premium Material: The spring ring is made..