Product Details: 1.IMPORTANT: Please do a safety test every time before using the product. Simply put a piece of cloth/paper inside the bag, put it in the water for 30 minutes, then remove it to check whether the cloth/paper is wet or not. DO NOT use the product if it is wet and contact us for help. 2.IPX8 Certificate - Protect your smartphone against water damage deep underwater up to 100 ft. Note: Use volume button for shooting since the hydraulic pressure may affect the screen touch sensitivity deep down water. 3.Premium Material - PVC material offers a smooth screen touch feeling and sensitive feedback. 100% clear allows you to take high-definition photos freely without removing the pack. 4.Security - Dual swivel locks get your cellphone tightly sealed against water, sand and snow, dust and dirt. Best for outdoor activities like skiing swimming snorkeling diving surfing fishing kayaking rowing boating and other beach playing. 5.Free your hand - This waterproof bag has a strong shoulder strap on the back, which allows you to free up your hands for other things, such as running or swimming. This armband is made of elastic band, the length and tightness can be adjusted according to different people, and the powerful Velcro is also easy to fix and take off.