<li class="a-spacing-mini"><span class="a-list-item"> 20-ounce capacity (Note: measurement markings only go to 14 ounces) </span></li> <li class="a-spacing-mini"><span class="a-list-item"> Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker cups </span></li> <li class="a-spacing-mini"><span class="a-list-item"> Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters; rounded base for thorough mixing </span></li> <li class="a-spacing-mini"><span class="a-list-item"> Screw-on lid creates leak-proof seal, and secure flip cap with SpoutGuard keeps the mouthpiece clean; wide loop top for easy carrying or attaching keys </span></li> <li class="a-spacing-mini"><span class="a-list-item"> Dishwasher safe, BPA and phthalate-free </span></li>