This aqua bag is your ideal fitness partner. Made with high-quality PVC material and a leak-proof valve, it meets strict standards to avoid water leakage and air loss. The adjustable weight design ensures more targeted training while guaranteeing security, effectiveness, and convenience. | Vevor | | Water Weights Aqua Bag, Large Aqua Bags for Workout, 50 lbs Adjustable Portable Stability Fitness | Clear | Best Buy