The BlenderBottle ProStak 22 oz. Bottle will keep your shakes lump-free for a smooth, consistent taste. This shaker bottle doubles as a pill organizer and protein powder holder from ProStak Twist n' Lock system. Complete with an adjustable carry loop, you can clip, loop, or hook your bottle for hands-free portability, this shaker bottle is a great choice. Plus, you can keep your worries at bay knowing this shaker bottle is BPA and Phthalate free. Shop the BlenderBottle ProStak 22 oz. Bottle at SCHEELS today! Note:Bottles hold the specified amount of liquid when filled to the cup brim. For aesthetic reasons, the measurement markings end sooner. For example, 28-oz. bottles have markings up to 20 oz. even though the full capacity is still 28 oz.Sizing Guide: