Reforce Stainless Steel Dark Mark

Make a dramatic statement with the Dark Mark edition of the Reforce stainless steel shaker. Its darker visual style gives collectors and Harry Potter fans a bold bottle that stands apart on the gym floor.

Battle-tested
More than 25 million happy customers since 2009.

Durable design 
Keep using it for a decade or more.

Leak-proof 
100% guaranteed by our Smartshake™ Warranty.

Comfortable & lightweight
Weighs only 170 grams / 0.375 lbs.

Engraved measurement
Units of measure engraved on the inside of the bottle

Practical & easy to clean 
Wide opening for simple cleaning (handwash only).

This is a single wall steel bottle. Do not use with hot liquids.