Arm band swimming aid for children aged 1-6 years: The upgraded arm band does not need to be inflated and the 6 swimming discs can be combined at will to increase the buoyancy of the float, suitable for children of different weights. This arm floatation set helps your child to float on the water and learn to swim with ease and comfort, improving learning efficiency. The foam arm band is safer for children: the non-slip bumps and retractable cuffs on the arm band make it less likely to fall off. The eye-catching colours make it easy for parents and swimming instructors to find their child in a crowd. The armbands can be securely attached to each other so that you can easily adjust the number you need for all learning periods. Reusable armbandsHigh quality material: The floating bands are made from high quality EVA foam material that will not chip or absorb water and are much safer than inflatable swimming armbands. You can have more armbands for large numbers of beginner swimmers and children. Universal fit: Each armband floating disc has a diameter of 18.5 cm, a thickness of 2 cm and a maximum cuff diameter of 8.5 cm. The child-safe floating sleeves are suitable for children with an arm circumference of up to 16 cm / 6.3 inches. Note: Please use under the supervision of an instructor or adult. Wide range of arm straps: The swim float swimming aid is widely used in a variety of settings such as baths, portable pools, rivers, beaches etc. to ensure your child's swimming safety.