Save the strength work for the gym. The BlenderBottle Strada protein shaker opens effortlessly with just the push of a button. Snap shut the secure-lock lid for a quick, leak-proof seal. Say goodbye to lumpy protein shakes. This powerful mixing system uses the BlenderBall wire whisk—found only in BlenderBottle brand shakers—to deliver smooth protein and nutrition shakes with ease. Forgot to add liquid first? No sweat. The rounded base allows the BlenderBall whisk to mix every last bit of powder. A flexible, ergonomic carry loop provides a comfortable hold for easy portability. Or use the loop to secure keys or attach the bottle to a gym bag. The double-wall vacuum-insulated bottle keeps drinks icy cold for up to 24 hours, with zero condensation on the bottle.