Product description Size: The length of the lanyard is 15CM, the maximum length: 80CM Strap material: plastic Rope buckle material: metal buckle 1.Wrist Phone Lanyard: This phone bungee cord has slight elastic. Connecting the head and tail to form a wrist phone strap will tighten your wrist slightly to prevent the phone from falling off your wrist. 2.Easy to operate and use: Put the head of the patch through the charging port of the phone case and attach it to the phone case, and then connect the round spring O buckle to attach your phone to your belt hoop and backpack to prevent loss or being stolen. 3.Universal compatibility: The adhesive phone patch can stick on any full-coverage phone case, so it is compatible with all cellphones. NOTE: To avoid damage to the phone, please do not use a semi-enclosed phone case. 4.Transparent and ultra-thin Patch: In the case of a thickness of 0.2mm, it will not affect the wireless charging function of the mobile phone, nor will it hinder the use of the charger port. The transparent design allows it to fully display the original color of the phone when it is attached to the phone case. 5.Wide application: Phone lanyard is designed to withstand extreme conditions of use, including heavy equipment operators, construction workers, long-distance truck drivers, hikers, rock climbers, bikers, and fishermen. So that guests can rest assured to use mobile devices.