Zoggs Produce high quality, water proof ear plugs which, because of their unique shape, should fit almost every child's ear size up to and including around 11 years old. Made from soft silicone rubber, the Zoggs Aqua Plugs form a comfortable, water proof seal which will allow you to keep the water out and focus purely on having improving your technique or simply having fun in the pool. Other features include: - Ergonomically shaped to fit the outer ear - Fully reusable and washable. - Suitable for children up to 11 and adults with smaller ears. - Comes with sturdy, pocket sized carry case.