Tips: 1. Before using it, please carry out a waterproof test on the product and check whether the product has damaged parts, particularly the seal function. 2. Make sure it is sealed properly before use it in the water. Practical, Adjustable and Comfortable Waist Pack. Easy adjust design to meet different waist size needs, it can fit the most waist sizes comfortably. (fits sizes: 33.5 inch- 42.5 inch), also can use as cross-body bag, or shoulder bag. Spacious Design for Maximum Storage Measuring: 8.5 inch x 5.8 inch. AiRunTech waterproof bags are extra deluxe & spacious, holds a lot, fits all large Smartphones below 7 inches & Your cash, credit cards, wallet, and car keys, etc, and if you get air trapped in it, it’ll float too. Extra Peace of Mind. The translucent pouch is Touch Screen Friendly, you are able to check msgs or text and talk if there was an issue, and protection your ID, cash, credit cards, passport in the opaque pouch, fully dive into your adventures without worrying about your valuables being stolen. Tips: The colorful and transparent waterproof pouch is Touch Screen Friendly except BLACK one. Waterproof Protection and Confident Impermeable! Triple zip lock protection up to 32 feet (10 meters) underwater. No worries of your valuables getting wet. Keep your phone and wallet perfectly dry and safe from a splash, a spill, or total immersion whether you're snorkeling, swimming, sailing, paddle boarding, tubing, kayaking, river rafting, water slides or water activities and the like!.