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Over 5,000+ 5★ Reviews
Trusted by over 200,000 customers in the U.S.
Why The Round Base Shaker 2.0 is different
Patented Round Base Design
Unlike traditional bottles with flat edges that trap residue, the round base prevents protein and smoothie buildup — making cleaning quick and effortless.
No Odour Retention
Designed with materials that resist buildup, helping prevent lingering smells from protein powders or smoothies.
Designed for Everyday Use
Works seamlessly as a water bottle, protein shaker, or smoothie cup — built for daily routines, not just the gym.
Designed with Sustainability in Mind
Durable, BPA-free materials built for everyday reuse.
A smarter solution for your health—and the planet.
Designed for daily use — built to replace disposable bottles over the long term.
Reduces single-use plastic waste
Built for long-term durability
Designed for daily, multi-use performance
What Our Customers Are Saying
The 3RDphix gym bottle is amazing! Eco-friendly, quick delivery, and high-quality. It’s easy to clean, no powder sticks at the bottom, and keeps drinks cold for hours. Best gym bottle hands down! Got mine in 4 days" -
Jhen
I’ve tried so many shakers, and this one is by far the best! The patented design really works—no leftover residue or bad smells, even after multiple uses. Plus, it’s super easy to clean. Highly recommend!
Emma
This bottle isn’t just for protein shakes—I use it for smoothies and water too! It’s lightweight, durable, and fits perfectly in my gym bag. Definitely a must-have for anyone active.
Max
The minimal design and premium feel of this bottle are amazing. It’s not just another cheap plastic shaker—it actually lasts and looks great. Plus, the beige color is super stylish!
Charlotte
Finally, a shaker that doesn’t require endless scrubbing! The smooth interior and detachable parts make cleaning a breeze. No more gross residue or leftover powder sticking to the bottom.
Rachel
Frequently Asked Questions
The 3RDPHIX bottle is designed on the Gold Coast Australia and is manufactured in China.
The 3RDPHIX bottle can hold up to 22 fl oz (750ml).
The bottles inner shell where the liquid is held is SAN plastic (BPA free) and has a round bottom so that protein powder does not get stuck in edges. The outter shell is PP plastic which is also BPA free. The bottle is designed and suitable for continual use.
We put a lot of thought into this and although glass is great for the environment, it just was not durable enough to be used for multiple purposes. It is also a lot heavier and isn't ideal for an on-the-go product. The plastic we are using is completely non toxic and completely reusable.
No! Unfortunately due to the robust material used you cannot freeze the bottle.
Why Buy From Us?
Because most bottles weren’t designed to mix properly. We engineered The Round Base Shaker 2.0 with a patented round base to prevent residue buildup, improve mixing, and reduce waste — in your shaker and beyond.
1-Year Warranty
Easy Returns
60-Day Guarantee
