Mainstays 34-Ounce Color Changing Plastic Shaker Bottle, Grey, NEW!!. This is the perfect shaker bottle to hold cold or warm drinks. The temperatures changes make the b bottle change colors. Also the plastic ball that comes with it makes it great for drinks that need mixing. The o e I ha e I always use it for my morning protein shakes. That small ball seems to mix up my protein powder perfectly. Any questions please just ask me.

I also combine shipping on all items Thank you for looking & have a wonderful day.