【100% Waterproof】: The black waterproof pouch bag made from high quality and tough PVC material with waterproof coating. Super waterproof seal performance IP68 waterproof and scratch-resistant material have been upgraded and more durable. 【Beach Accessories】: The combination of blue and clear makes you and your partner full of summer joy. Easily adjusts from 33.5" - 42.5" to meet the needs of men, women, girls and boys with different waist sizes. 【Beach Necessities】: The blue transparent waterproof dry bag is Touch Screen Friendly, and you can view and send messages without taking your mobile phone out of the waterproof packs bag to protect your mobile phone from water, dirt. 【High-capacity】: SYOSI 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. 【Warm Tips】: Before using it, please carry out a waterproof test on the product and check whether the product has damaged parts, particularly the seal function. Make sure it is sealed properly before use it in the water.