SKLZ Bolt Balls - training balls for SKLZ Lightning Bolt Pitching Machine<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Polyurethane </span></li><li><span class="a-list-item"> Contains pack of 12 Bolt Balls </span></li><li><span class="a-list-item"> Does not include Lightning Bolt Pro Pitching Machine </span></li><li><span class="a-list-item"> Foam balls are 5.125 inches round </span></li><li><span class="a-list-item"> Ball weight is 0.2 ounces </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41jiDZHbUWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31fZtuof38L.jpg" noproxy>