"All right, I've owned a ton of these blender bottles over the years and this is why this one is hands-down the best so First you'll notice the rounded bottom prevents Protein powder from getting stuck in the corner. So that was a really good addition they made the other one you see how this Top now has this extra part of the lid that prevents a lot of spilling from shaking. I've noticed So that's a great one. And of course the patented blender things awesome Making shakes. I use it for creatine in the afternoon as well And this one's great"