Description: 【Multi Function】: This swimming buoy not only has 15 kg of buoyancy, but also comes with a spacious 30L storage space to properly store swimming essentials such as goggles, swimsuits and towels 【Waterproof Structure】: This swim buoy float is made of quality 210T nylon and PVC to withstand all kinds of bad weather. Its storage space reaches IPX6 waterproof rating, ensuring that your belongings stay dry even in wet conditions 【Built in Waterproof Phone Pocket】: The swim gear bag built in transparent phone pocket with a waterproof rating of IPX7 allows you to stay connected while swimming 【Easy to Inflate Design】: This thickened swimming float is equipped with a user friendly inflation valve that can be easily inflated without any tools, allowing you to install it anytime, anywhere 【Easy to Carry】: This swimming floating sack weighs only 540 grams and can be easily stored into a compact size of 41cmx72cm/16.14inchx28.35inch, which is convenient for you to carry out various water adventures without adding unnecessary bulk or weight Specification: Material: Nylon PVC Maximum Storage Capacity: 30L Number of : 1 Buoyancy: 15KG Storage Space Waterproof Level: IPX6 Mobile Phone Pocket Waterproof Level: IPX7 Implementation Standard: QB/T1557-1992 Weight: Net Weight: 540g, Including Packaging: APPPROX. 600g Size Chart: Tile size: 41cmx72cm/16.14inchx28.35inch Package Includes: 1 Swim Buoy with Clear Phone Pouch  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.