The Ultimate All-In-One Supplements, snacks, pills, and liquid-all in the same bottle. Featuring the BenderBall^® wire Whisk and unique Twist N´Lock^™ 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 A 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.