1.Fast inflation and deflation: The inflatable diving marker buoy ball has fast inflation in just 30 seconds and ensures that you can set up your signals. After use, it simply deflates for compact storage and makes it a convenient and essential tool for any diving expedition. 2.Versatile diving accessory: This inflatable diving good is an indispensable tool for any diving enthusiast. Whether you are marking your location, ensuring , or simply enhancing your diving experience, this buoy provides unmatched comfort and reliability making it a must have for all your underwater explorations. 3.Compact and portable: the flipup diving marker buoy ball can be easily stored in your diving bag. The lightweight design weighing only 386 g makes it a portable and practical accessory for diving enthusiasts on the go. 4.Improved features: with a PVC diving flag, this buoy serves as a personal signal and clearly indicates that 'diver below' to make others alert. The sand hole on the stabilises the buoy and keeps it upright, while the hook allows for secure rope attachment to ensure accurate positioning and increased during your dives.