Afraid of pulling broken? You can pull 10,000+ times, our retractable keychain are tested for 10,000 rebound, consistent retraction, the tough internal coil spring makes one heavy duty retractable keychain that exceeds the similar product testing standards.Afraid of falling cracking? ABS shell + ultrasonic welding technology + 4 screws reinforcement & LIUGX's signature armor frame featuring a strong impact resistance.Carry up to 15 keys: Our unique reel system with high strength wire rope features stronger rebound force which can withstand 8 oz. of tension, about 15 keys, perfect for everyday use and for carrying keys when traveling.Upgraded appearance with aluminum ring: The badge reel design on the market is very boring, we added aluminum ring and carbon fiber-texture to LIUGX's signature armor frame to make the overall appearance more unique and cool looking!