Biosteel Shaker Tumbler ShakeSphere
Water/Protein Shaker - 700ml.
Because there are no corners, nothing remains in the shaker when you have drunk it empty. This not only means that you spend less time cleaning, but also that you need less powder in the long run. No powder residue also prevents the buildup of foul odors that would occur if undissolved powder were left in the corners of a traditional shaker.
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