"Safety First" Splash-N-Swim Inflatable Swim Rings, 20" Assortment! (Set of 4) Ages 4+ Summertime inflatable fun isn't just for the kids. 20"Dia. splash rings are large enough for adult use and can be loads of fun for splashing about, floating around, or making up pool games. Perfect for the community pool, kids pool party, hotels, recreation centers, and water parks. (3) 20" Splash-N-Swim Inflatable Swim Rings assorted among the 4 colors shown. Ages 4+.