Feature：1.- Perfect flotation performance: this belt uses high quality EVA foam and a supportive high-back design to provide reliable buoyancy for safe and efficient swim training. 2.- Adjustable buoyancy and fit: features adjustable straps and sturdy nylon buckles, allowing you to customize placement and fit for a secure, comfortable feel across a variety of water activities. 3.- Versatile use cases: ideal for pool or beach training, suitable for all levels from beginners to professional swimmers, and supports advanced drills and technique development. a valuable tool for water conditioning and technique improvement. 4.- Easy to use for all: designed for easy use by most people, adults or children, with a range of wearing styles to suit different preferences; no false promises, just reliable support for beginners and experienced swimmers. 5.- Suggested applications:- Pool drills to refine stroke technique and build endurance.- Open water or beach training for buoyancy and confidence.- Swim lessons and progressive skill training for beginners and experienced swimmers.