Set of 4: This pool toy set includes 4 sinking fish rings in 4 different colors: orange, red, blue, and green, with bright colors and beautiful patterns that children love. Safe Material: The children's pool toy is made of durable and non-toxic plastic. This material is environmentally friendly, non-toxic, odorless, and harmless to children. Child-Friendly: The diving pool toy has a smooth surface without sharp parts, fits well in the hand, and will not scratch or harm children. Bright colors, durable, not easily damaged, and vivid shape. Best Summer Pool Toy: Bring these toys with you when you go swimming. With the pool toy, your child can play and swim around the pool to find the torpedoes. Your child will have a lot of fun and enjoy swimming. Easy to Use: Throw the diving rings into the pool, let them sink to the bottom, and then catch them by diving and swimming. It's not only a great way to improve your child's swimming and diving skills, but it's also fun to catch these toys in the pool with friends and family.