Battle-testedMore than 25 million happy customers since 2009.Stackable storage compartment Carry your protein powder separately.Leak-proof 100% guaranteed by our Smartshake Warranty.BPA and DEHP FreeSafe for the environment and yourself. With the features of Smartshake Revive shaker like the soft loop handle and rubber details, it is easy to carry and hold. Add berries or fruit and shake it up with the improved Fruit Infuser to mix your own fruit water. The mixing net snaps into place staying tight and secure. No rattling or loose parts.The mixing net on our shaker bottles snaps into the lid and stays tight and secure. No rattling or loose parts.The new improved Fruit Infuser has sharp spurs that makes the mixing even better. Mix your favorite fruits or berries with water to make healthy vitamin water.