1. Package contains: 1 horse therapy ball with string. While your horse is eating hay or nudging the ball, the stability ball will swing to entertain your horse and make stability time more fun. 2. Durable material: The hay balls are made of rubber with lattice shape design, which is light, soft, skin-friendly, elastic and durable. And the rope is durable and waterproof 3. MORE FUN: Horse toy balls are easy to fill balls with hay and fresh grass, very effective as a slow feeder to keep horses entertained, allowing them to eat a little at a time as they would in their natural state. 4. Keep exercising: The Horse Treat Ball provides a unique way to keep your horse or goat in lock down throughout the day and encourages natural foraging behavior. 5. Size: Horse Hay Feeder is approximately 5.5 inches in diameter. This feeding polo is just a toy to keep the horse or goat busy and relieve stress. Products from Chunchuan's store