SHAKESPHERE Protein Shaker Mixer Bottle 700ml Supplements PreWorkout (X4) BLACK. The shaker is rounded shape inside which spins everything outward with centrifugal force, creating the ultimate no-stick, no fuss mixing zone. Just shake, blend and enjoy a silky-smooth - no waste, no mess shake. Due to the patent design there is no mixer grid inside required. X4 brand new shakesphere protein shakers.
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