Nutribomb Thunderballs Mixing Balls for Your Protein Shaker Cup - Replacement Shaker Balls<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> NO MORE CLUMPS: Whether you’re prepping some whey， casein， or preworkout， Thunderballs are the perfect shaker balls to ensure your drink is smooth and thoroughly mixed to give you optimal nutrition. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> EASY TO USE: Our protein shaker ball is uniquely designed to provide amazing results in just a couple of shakes. It’s also easy to clean， with just a quick rinse getting the job done. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> SAVES MONEY: You won’t have to splurge on an expensive shaker with ball， thanks to Nutribomb’s shaker bottle ball pack of 3， which works with any thermos， bottle， or mason jar. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> ZERO RUST RISK: Unlike a regular metal ball shaker that is prone to rust， Thunderballs are made using high quality plastic that pack enough durability to see you through countless workouts. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> 100% FOOD GRADE: You’re in for a BPA-free protein shaker blender ball that will complement your healthy lifestyle， keeping nasty toxins at bay. Click ‘Add to Cart’ now! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/418L0-j5MTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vxCKFmJsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Pf-tbxn8L.jpg" noproxy>