Features 1. Floating Pool Rings: Each swim thru hoops with floating ball to float upright. Submerge the extra-large rings where-ever, whenever, so you can through the rings in just a few seconds, for a do-it-yourself underwater obstacle course or teach your kids the fun of underwater swimming, ideal underwater toys. 2. Adjustable Size: The diameter of the swim rings is approximately 31 inches. You can increase or decrease the number of sticks to form a circle according to your needs. And tie the floating dolphin to the pool ring to make it become a complete floating ring. 3. Collapse for Storage: These swimming rings are reinforced, and the connection port is upgraded to make it stronger and not easy to break. The rings unfold easily and take seconds to assembling so you can get right to the swimming pool games; These swim-thru hoops are easy to dismountable. Easier to carry and store. 4. All-Around Summer Fun: Great for kids and adults everyday play, pool parties, and summer fun. Suitable for pool party,underwater obstacle course,underwater swimming, also a great summer gift for kids. Enjoy your summer with these 2 in 1 swim through rings. Great for both kids,teens and adults. 5. Share Happiness: The diving toys for pool for family increase fun and joy in swimming pool with your friends. You will love water diving rings and it is also suitable for sharing to boys, girls, and swimming learners. Specification Material: PVC Color: Dark blue, Green, Yellow Size: 80 cm Weight: 246 g Pattern: Splicing Package Include: 8 Swim Ring Splicing Parts 1 Balloon 1 Tyre Pump