💪 Shake It Up: Elevate your fitness game with the ultimate shaker bottle! Top rack dishwasher safe for hassle-free maintenance. The secure flip cap and screw-on lid ensure no spills during your busy day. The ProStak system allows you to store powders, pills, and supplements all in one sleek bottle. Designed for fitness enthusiasts, this shaker bottle is perfect for protein shakes and more. Interlocking jars can be used independently or with the bottle for customizable capacity. Leak-proof design BPA-free materials 22 oz capacity The BlenderBottle Shaker Bottle with ProStak System is a versatile 22-ounce container designed for fitness enthusiasts. It features a leak-proof design, BPA-free materials, and interlocking jars for convenient storage of powders and pills. Ideal for protein shakes and easy to clean, this shaker bottle is a must-have for anyone serious about their nutrition.