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Silicone Base (will only fit newer model bottles)
$0.50
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Product Details


This will only fit on bottles that came with a silicone base.  If your tumbler did not come with one, then this will not fit on older style tumblers.

Replacement Silicone Base for Skinny Steel Cup (newer verison), and Skinny Steel Shaker Cup. 

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  • 30-Day return policy

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FIRST TIME SHOPPING HERE?

Developing the perfect BOTTLE wasn’t the plan. It would have been so much easier if the BOTTLE already existed. Frustratingly, after testing 13 alternatives, I knew something had to be done. BUT, and this was super important, if I did this it had to be perfect.  Check out the features of our 26oz Shaker bottles:

  • Cold 30+ hours, hot for up to 12 hours
  • Odor free from previous liquids (plastic shakers get funky, gross). 
  • Sweat-proof bottle (no more wet hands).
  • Silent but effective agitator. Clumpy shakes should be illegal.
  • Spill-proof lid with 2 click firm pop top.
  • Satisfaction Guarantee. "If your shaker isn't perfect, send it back, no questions asked" -- Founder, Chris Gronkowski

Making the perfect shaker isn’t rocket science. You just need to nail the basics.