The lid twists on to make a seal that prevents leaks, and the flip cap with SpoutGuard keeps the mouthpiece clean; top loop is wide for easy carrying or attaching keys.
28-ounce capacity (Note: measurement markings only go to 22 ounces)
Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker cups
Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters; rounded base for thorough mixing