This is the newest and most advanced Blender Bottle evermade. It has the Mass Gainer lovers in mind with its massive 45oz.bottle, heavy shaker ball, and rounded bottom so you don't lose outon your gains.<p style="margin: 0px 0px 15px; padding: 0px; font-size: 12px; border: 0px; font-stretch: inherit; font-family: HelveticaNeue-Light, &quot;Helvetica Neue Light&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; color: rgb(11, 7, 7); line-height: 1.5em !important;">&nbsp;</p>