Enough to Use and Replace: there are 2 pieces of horse mega balls in the package, including 1 blue and 1 green, in addition, comes with 4 air plugs, 2 air pullers, and 1 inflatable manual foot pump; This is a nice combination for you to inflate horse exercise ball easily Herding Ball for Horse: horses are dichromatic vision, sensitive to blue and green colors; Our blue and green horse play ball fits the visual senses of horses, can help your horse build curiosity and courage and confidence Anti Burst and Durable: the outside of the horse soccer ball is threaded, non slip and easy to grip, helps reduce potential risks, it is essential for your horses to play safely on the field; And the explosion proof design can withstand high pressure, but it is not resistant to puncture sharp objects; It is recommended to buy a ball cover the ball to make it stronger Easy to Inflate: the 40 inch horse herding ball is easy to use, just use the included portable infla