The Stubbs Rock 'N' Roll Treat Ball is the ideal choice to keep your horse occupied in the stable or field.Designed for heavy duty use, this treat ball is exceptionally strong and durable.The dispensing hole is 30mm diameter and suits most treats including larger nuts. With a separate built-in funnel, filling is easy and quick. Moulded from ultra-tough stubbythene, this toy is supremely durable.Available in a range of colours.