Product Description 1. Swimming training aid: The training EVA foam belt is perfect for little swimmers who have not yet learned to swim and are afraid of water without floaters. But these kids are too old and a little too heavy for the arm floaters or inflatable rings they used when they were younger. You want something they can use and play safely when they're in a pool or lake, but also something that forces them to use their arms and legs more for swimming than just floating. Swim belts make you learn better 2.EVA environmental protection material, high foaming processing technology. Thicker buoyancy. Made of high density Eva foam, durable and non-absorbent, providing more balance and full flotation 3. Adjustable waist belt: the waist belt can be adjusted according to your waist circumference, suitable for most children; swimming belt is suitable for swimmers below 4. Removable Blocks: You can remove some of the foam blocks as your child gets stronger and more confident; as with any exercise flotation device, make sure to adjust the waistband snugly so that it doesn't move up during exercise 5. Tips: Children's flotation devices are mainly used to help beginners learn to swim, not life-saving products