When you want the best you want Rhino Skin®. Rhino Skin® balls feature a tough coating over a durable foam core. The ORIGINAL, non-sting coating is designed and made in Sweden and is so durable, it is virtually tear-proof! The Rhino Skin® patented coating provides better performance than traditionally constructed balls, offering ease of play that is excellent for all age groups. Why settle for a substitute when you can have Rhino Skin® - the best brand on the market! Our Rhino Skin® four square balls are super safe and specially designed for ‘4-square” games. They feature a tough Rhino Skin® cover for maximum durability and an easy grip non-sting surface to prevent injury.