The Ultimate All-In-One Supplements, snacks, pills, and liquid-all in the same bottle. Featuring the BenderBall^® wire Whisk and unique Twist NLock^™ containers, the ProStak system is the all-in-one solution for the serious athlete.Super Smooth. Say goodbye to lumpy protein shakes. Our powerful mixing system uses the BlenderBall^® wire Whisk - found only in BlenderBottle^® brand shakers - to deliver smooth protein and nutrition shakes with ease. Twist N Lock^™ Technology Unique interlocking jars with individual lids make it possible to carry supplements, snacks and more - with the bottle. Take it with just a quick quarter turn. Ditch The Pill Minder To covert pill tray locks into any jar lid, allowing you to carry pills and powders in the same container. Clip it, Loop it, Hang it. Integrated with the StayOpen^™ flip cap, the adjustable carry loop lets you hold more when your hands are full and offers a convenient place to attach keys while at the gym. INSTRUCTIONS FOR USE: - ALL PARTS ARE TOP-RACK DISHWASHER SAFE. - RINSE WITH WARM WATER IMMEDIATELY AFTER EACH USE. - DO NOT MICROWAVE, FREEZE, OR BOIL. WARNINGS: - ProStak^® NOT FOR USE WITH HOT LIQUIDS. - HOT OR CARBONATED CONTENTS MAY BUILD PRESSURE WITHIN THE BOTTLE AND CAUSE THE FLIP TOP TO OPEN UNEXPECTEDLY AND SPRAY CONTENTS. - OTHER CONTENTS (SUCH AS PANCAKE BATTER OR SPOILED BEVERAGES) MAY BUILD PRESSURE AND LEAK OR SPRAY-OUT UPON OPENING. - ALWAYS OPEN WITH CAUTION.