Specifications: Children's model: inflatable outer diameter 56cm or inner diameter 26cm deflation diameter: 60cm Adult model: inflatable outer diameter: 100cm or inner diameter: 46cm deflated diameter: 105cm, [Pool Float with LED]: Our pool tube is designed to add LED lights. It looks great when it flashes and will receive compliments from others, suitable for night use.The light has two light modes, flashing and constant light, controlled by a button on the swim ring. [Eco-friendly and durable material]: Our luminous pool tube is made of high quality transparent PVC material. Non-toxic, safe and thick. And our LED swimming ring is designed with 2 handles, which is more convenient to use. Be careful not to over-inflate, otherwise it may cause the pool float ring to break. [IP68 waterproof]: The switch of our inflatable tube has been specially designed to be waterproof. And the battery part also added waterproof gasket, tighten it can be used as ordinary swimming ring. [Battery Easy to Replace]: Our LED pool tube is powered by 2pcs CR2032 (battery included), you can replace the battery by yourself when the light is weak, clean and environmentally friendly. [Widely Used]: Our pool floats with colored LED lights provide more fun for swimming pool, sea, lakes, rivers, pool party and beach activities. The pool tube with LED lights is a special gift for your kids, friends and family in summer, enjoying a summer blast with your kids and families. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.