Description ZDD Features: Type:Swimming Ring Material:PVC Size:50cm/57cm/68cm/75cm After inflation, the inner diameter is 22cm and the outer diameter is 50cm After inflation, the inner diameter is 27cm and the outer diameter is 57cm After inflation, the inner diameter is 35cm and the outer diameter is 75cm After inflation, the inner diameter is 31cm and the outer diameter is 68cm Quantity:1 Pc Suitable for both kids and adults Main Features: 1.Designed for safety: non-return safety valve is designed for superior safety. It is a great idea for swimming during summer time 2.Extra thickness environmental friendly material: made of non-toxic PVC material, it can bear loads of weight, safe to use 3.Super comfort: this special technology makes the inner seam super smooth, scratch free and superior comfort 4.Watermelon pattern: special fruit design looks cool and refreshing, offering you a good mood and bringing you numerous happiness 5.Easy to inflate and carry: fill it with an air pump inflator, fast and energy saving, and deflate it when not using, convenient and portable 6.Four sizes available: there are 4 different diameter sizes for you to choose: 50cm, 57cm, 68cm, and 75cm. Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 2-3cm differs due to manual measurement. includes: 1 x Swimming Ring