1.Super high visibilityEquipped with a bright nylon bag and reflective tape, this dive lift bag ensures super high visibility during the day and at dusk, making it an ideal companion for diving to enhance . 2.50 lb With a weight of only 5 g, this 70 x 54 cm mountain bag has a buoyancy capacity of up to 22.7 kg. Its trapezoidal design provides excellent compressive strength and allows for easy lifting of objects from the water or serves as a reliable marker. 3.Easy to use Let the buoyancy bag drain through the bottom opening and attach easily liftable objects with the loop and stainless steel Dring. The OPV combo pressure relief valve and the bottom long cord allow for precise adjustments. 4.Super waterproof guarantee: Made from 210D nylon fabric with TPU coating, this dive lift bag effectively prevents water from entering during use. It is perfect for various water activities such as diving, swimming, snorkeling, fishing, boating, and more.