This set of diving rings include 4 different colors, which are orange, blue, yellow and green. It is very brightly and very easy to find. Children will like throwing and chasing them at the swimming pool. It is also perfect fun game between parents and kids. Sturdy Plastic Material, Durable and Safe --- The dive rings set are made of durable nontoxic plastic material. It is very sturdy, unbreakable and noncorrosive and won't hurt your kids when playing.