Deflated Leather Reward BallSelf inflating core Available in 2 colors Available in 2 sizes Comfortable throwing handle Durable leather Handle not for tugging [split] Our Redline K 9 leather reward ball is made from durable leather and built around a self inflating core. The core in these deflated balls takes much longer to to fully inflate the ball allowing them to remain in a "squashed" position for a period of time. Also helps your dog get a big full bite of the toy and they