Now, you can enjoy both hot and cold post-workout drinks with this Insulated Shaker Bottle 20oz Protein Shaker! It has double walls! This bottle has double-wall layers to keep the temperature inside and away from your hands as you grip it. The insulated shaker bottle can keep the drink cold for up to 30 hours and keep it hot for 8 hours. It is also leakproof so you can shake the bottle inside as much as you need to without worry. It even comes with a stirring ball to make sure that there are no clumps in your drink. There is a capacity scale inside for up to eighteen ounces.

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