These water ring slings are 100% polyester jersey that lends breath-ability with just the right amount of stretch. The fabric feels like a lightweight, silky swimsuit which keeps it light in the water and dries very quickly. Wear baby in the shower, at the beach, the water-park, or in the pool. This especially comes in handy for keeping your hands free to play with, or help, older children in the water. The weight limit for this ring slings is 35lbs. Each ring sling is approximately 73 inches long and is one size fits most. These water ring slings are sewn using SlingRings brand aluminum rings and are compliant with CPSIA regulations.