Nutribomb Thunderballs Mixing Balls for Your Protein Shaker Cup - Replacement Shaker Balls - Shaker Bottle Agitator (Pack of 9)…

These work great! I wanted to move to something a little less frustrating than the metal wire balls that get tangled in the drawer or dishwasher, and also wanted to stop collecting cheap plastic blender bottles that sweat everywhere. I use these in my Yeti bottle as well as other stainless steel bottles, and they seem to mix my shakes better than the wire balls. My typical shake will have 2 scoops or protein, 1 scoop of super greens, and 1 scoop of creatine and these balls mix it all extremely well. Toss them in the dishwasher and they are clean. No untangling!

I almost never write reviews but after using these for three weeks in my protein shakes daily, I have to say they work awesome! I put three of these in my yeti cup, water first, then yogurt, then a large scoop of powder. Close everything up, shake it and these get everything so smooth you wouldn’t even know that there’s powder in there. I’m really happy that I can use my yeti cup and not have to buy a special cup just for protein shakes. I have not found that powder get stuck in the little hole in the middle, but I shake pretty hard when making my shakes. And I always make sure these are in first, then water, then the powder so the powder actually isn’t sitting dry on top of these. When I clean I also wash them right in the cup I fill the cup with soap and water and again shake them really hard to get every nook and cranny of these clean. Works mint, never had an issue with powder in the middle. Would highly suggest these for use in any kind of cup that has a solid lid.

I bought these to mix a meal replacement powder drink (Soylent) and it works wonders.I use 3 balls in a 20oz cup and about 30 seconds of vigorous shaking gets everything into solution.After drinking from the cup, an initial water rinse at work cleans most of the cup and the mixing balls. I do not ever have to manually clean the balls or even take them out of the cup. Powder or material does not get wedged inside or around the balls.I've been using these for over a month now and they've cleaned and held up great!

Bought these to use with a CamelBak Chute Mag 20oz. They drop right in to the bottle but will not fall out while drinking. They are floaty which increases the shaking effort. However the many edges do a good job of breaking up clumps. CamelBak makes the best bottles in the biz and now all of my CamelBaks can be mixer bottles as well. The excitement is real.The package I received was missing a red ball, but I did not factor that into the score as an exchange is on the way. This would be a 5 star product if they were a bit heavier.

I started using these finally. I do two at a time in my bottle for my powdered shakes. I have never had clumps in these, and are very easy to clean. I was worried based on other reviews, but no.They work great! A very pleasant sound, plastic against plastic, as well.

These work great. I've used a bunch of different blender bottles and I honestly think these work better than the steel blender balls or the pastic 'Jaxx' style blenders.The fact that you get three of these for less than the cost of a sigle blender bottle is pretty cool. I use these in a Nalgene bottle and they're perfect. Basically they will work with just about any wide mouth bottle, including a bunch of bottle that reguar blender balls won't fit in. They're smaller than standard blender balls, maybe only a little more than an inch in diameter. Still, they blend better than the bigger ones. Plus no rust.Bottom line, I would happily buy these again.

these little mixing balls don't really break up all the protein clumps. They work pretty well with the lighter Whey protein, but they don't work too well with the larger/thicker Casein protein powders. I normally use 2 mixing balls in my 20oz bottle (and a couple of cubes of ice on occasion if my water isn't cold enough). The Whey breaks down pretty smoothly, but the smaller lumps sometimes remains. The Casein protein always has lumps left (I normally use double the water for Casein compared to Whey protein). Still a lot better then using no mixer ball, but an electric blender still seems best for the thicker protein powders.These little guys seem easy enough to clean, big enough to not slip out of the bottle's spout, and small enough to agitate some of the powder in the edges. Although I did have powder that didn't get mixed in from the bottom edges of the bottle once, but that's probably because the bottom wasn't all the way dry

These balls are so light that they float on the top of the liquid, unlike most shaker balls that sink to the bottom. At first I thought this was an issue but I found that for me it work better. The ball is on top where the powder rests and seems to work better for blending things together and making sure there aren't 'chunks' of powder. And you get six for the price. Great product.