With maximum freedom of movement, the unrestricted practice of swimming movements is made possible. By simply pressing on the cushion, buoyancy can be reduced. Schlori swimming cushions have been tested and recommended by swimming educators. They have proven effective for beginners of all ages and are also excellent for people with disabilities. Made from pure cotton, they are an ecological alternative to plastic swimming aids. They are resistant to seawater, chlorine, and thermal water. Delivered in a universal size for babies, children, and adults with an adjustable buckle closure.