This SwimTrainer Kid Vest is the perfect tool for swim training in children aged 2-4 years. It features a removable and adjustable safety strap, chin-up collar, and maximum weight limit of 33 lbs. The vest is designed for children and kids age 2-4 years and is made by SwimSchool. It is a level 2 swim training vest that is suitable for children aged 2-4 years. The vest is made in China and has not been modified. It comes with a custom bundle that includes the vest, removable vest, and adjustable vest with safety strap.