1. Universal Cell Phone waterproof case bag with Military Lanyard and Waterproof Camera Float Strap Wristband for most Cellphone up to 17cm(6.7 inch)*10.5cm(4.0 inch)(L*W). Some big screen phones need to remove protective cover. NOTE: not support iPhone 7(Plus) Home Button touch function. 2. Friendly Reminder: Before using it, please put some paper towel inside the bag then soak it into the water for some time to test if it will be water leaking. The floating camera wrist strap protects your waterproof camera from sinking while you are snorkeling or swimming. The Military Parachute Cord Lanyard is adjustable. With the metal ring along with lanyard, you could use it to connect the case firmly or hang your keys. 3. Offers waterproof / snowproof / dirtproof /sandproof protection for your device. Friendly Reminder: to ensure your phone safty, before using it, we suggest that put a piece of paper towel inside the bag then soak the bag inside the water for some time to see if the water will get into the bag.