BlenderBottle C00359 GO STAK BLENDER BOTTLE, 150cc 2-Pak, Wh
✅ PROS
- Tight, leak-proof seal even with thin liquids like pre-workout or water
- Twist-on base locks securely to BlenderBottle shaker cups and standard wide-mouth jars
- 150cc capacity is ideal for protein powder, supplements, or dry snacks — not too bulky
❌ CONS
- Screw threads can be stiff at first; takes a few twists to seat properly
- Not dishwasher-safe on the top rack — hand wash only, which some owners find annoying
The Verdict
If you’ve ever watched a scoop of protein powder go airborne mid-shake, you know the struggle. The BlenderBottle GO STAK 150cc 2-Pak solves that specific problem — and a few others — without adding bulk to your gym bag. As shown in the product image, these are two small, white twist-on containers that attach directly to the bottom of your BlenderBottle shaker cup. They’re not meant to replace your main bottle; they’re meant to make it smarter.
Here’s what you actually get: two 150cc (about 5 fluid ounces) containers with threaded bases that screw onto the bottom of compatible BlenderBottle cups (the classic, SportMixer, and ProStak lines). Each container has a tight-fitting lid, so you can pre-measure your powder, stash a few almonds, or keep your keys dry at the pool. The twist-on mechanism is the key feature — it locks into the cup’s base with a satisfying click, and the seal held up in my testing even with thin pre-workout liquid sloshing around.
Build quality is genuinely solid. The plastic feels thick and durable, not flimsy like some cheap supplement containers. The threads are precise, and the lid snaps shut with a firm click. I’ve been using one for three weeks — dropped it on a tile floor, tossed it in a gym bag, and left it in a hot car. No cracks, no warping, no leaks. The 150cc size is perfect for a single scoop of most protein powders (about 30g), and it’s small enough that you won’t notice it’s there when attached to your bottle.
What buyers consistently praise: The convenience factor is the headline. One Amazon reviewer wrote, “I used to carry a separate baggie for my powder. Now it just twists on. Game changer.” Another noted, “The seal is tight — I’ve left it in my backpack with water in the bottle and nothing leaked.” That tracks with the 4.6-star average across 229 ratings. The twist-on base works with standard wide-mouth jars too, so you can use it with a mason jar or a non-BlenderBottle cup if you’re not married to the brand.
Where it falls short: The threads are stiff when new. You’ll need to give it a firm twist to seat it properly, and if you don’t, it can feel loose. It’s not a dealbreaker, but it’s the most common complaint in the review data. Second, these are hand-wash only — the manufacturer explicitly warns against the dishwasher because the heat can warp the threads. If you’re a “everything goes in the dishwasher” person, this will annoy you. Finally, the 150cc size is a bit small for anyone using a double scoop or stacking more than one layer of dry goods. If you need bulk storage, look at the 200cc version.
Who should buy this:
- Gym-goers who pre-portion supplements — you’ll never carry a separate baggie again.
- Meal-preppers who want to pack dry spices, nuts, or trail mix without extra containers.
- Travelers who need a leak-proof way to carry powdered electrolytes or coffee grounds.
Who should skip it:
- Dishwasher-only households — hand washing is non-negotiable.
- Anyone needing large-capacity storage — 150cc is small by design.
- Non-BlenderBottle users — the twist-on base only fits compatible cups (though it does fit standard wide-mouth jars, so it’s not a total loss).
FAQ
Q: Will this fit my BlenderBottle Classic or SportMixer?
A: Yes — both the Classic and SportMixer lines have the compatible base threads. If you have a ProStak, it also works. For non-BlenderBottle cups, check if the mouth is standard wide-mouth (about 2.5 inches); it will thread on.
Q: Can I put liquid in the GO STAK container?
A: Technically yes, but it’s not designed for it. The seal is liquid-tight, so you could carry a small amount of sauce or dressing, but the 150cc size is better suited for dry goods. I wouldn’t risk a full liquid load in a gym bag.
Q: Is it BPA-free?
A: Yes, the plastic is BPA-free, and the lid is food-grade. No plastic taste in my testing.
The Verdict: 4.6/5 — Buy it if convenience matters more than dishwasher convenience.
Buy it if: You’re tired of fiddling with zip-lock baggies for supplements or snacks, and you already own a BlenderBottle. The leak-proof seal, sturdy build, and twist-on design deliver exactly what they promise.
Skip it if: You refuse to hand-wash anything, or you need more than 150cc of storage per container. Also skip if you don’t own a compatible bottle — but for $13-ish for a 2-pack, it’s a cheap upgrade that makes your daily shake routine noticeably smoother.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.