1、[Non-Inflatable Neck Swimming Ring] With millions of small pearl-foam microcapsules inside, no need to pump, time-saving and energy-saving, quick to use, not easy to leak or break. 2、[Premium Material] The outer layer which touch with baby's neck is made from premium 3D cloth, no odor, all seams are well polished, no burrs, friendly to baby's delicate skin. 3、[Humanized Ergonomic Design] With special counterweight design, adding more balance for baby, and the outer layer is fully sealed and water resistant, prevent water from getting into baby's ears. 4、[Dual Buckle with Lock] Easy for wearing, only can be unlocked by pushing the buckle to the left, no accidental unlocking, more secure for use. 5、[Light Weight] Compact size, 33cm/ 12.9inch inner circumference, suitable for babies 0-12 months, easy for carrying; with cute cartoon appearance shape, attractive to little babies, they will enjoy spending hours on it.