SUPOW Neon Swim Ring for Adult, Inflatable Swimming Tube Float Swimming Lap Swimming Pool Outside diameter: 91cm/36inch. Inner diameter: 32cm/13inch. Recommended for ages 10 years or older or adult. Suitable weight: 45KG-70KG Neon light swim ring can glow at night. Fluorescence make you more beautiful at night, you can do decorations Enjoy relaxing and floating with an transparent tube. Ideal for floating, swimming or playing with in the pool. Your child will discover safe swimming and fun in the water all at the same time.