BlenderBottle vs. Fellow Carter: Which Jot Shaker Fits You?

Quick answer

Choose the BlenderBottle Stainless Steel Shaker if you need to mix protein coffee on the go and want a leakproof, cold-retaining bottle. Choose the Fellow Carter Cold Tumbler if you prefer sipping iced coffee through a straw lid and want a cup-holder-friendly tumbler. Both work with Jot High Protein Iced Coffee, but your drinking style and mixing needs decide the winner.

Mixing vs. sipping: the core difference

The BlenderBottle is built for shaking. Its stainless steel body and secure lid are designed to lock tight and keep drinks cold for hours, making it ideal for dissolving protein powder or mixing Jot High Protein Iced Coffee without clumps. The Fellow Carter, by contrast, is a tumbler with a spill-resistant straw lid—it’s made for sipping, not vigorous shaking. If your routine involves scooping powder and shaking, the BlenderBottle is the practical choice. If you mostly pour pre-mixed cold brew over ice and sip slowly, the Carter’s straw lid is more convenient.

Capacity and portability

Both products come in multiple sizes, so you can pick the volume that matches your intake. The BlenderBottle’s stainless steel build adds durability for tossing in a gym bag, while the Fellow Carter is designed to fit standard cup holders, making it a better travel companion for commutes. Neither product’s exact ounce capacity is listed in the catalog, so check the available size options before buying if volume is critical. As a rule, a larger shaker suits meal-replacement shakes, while a smaller tumbler works for a single iced coffee.

Cleaning and maintenance

Stainless steel shakers like the BlenderBottle generally need hand washing to preserve the finish and lid seal, though some models are dishwasher-safe—check the specific product page. The Fellow Carter’s straw lid has more crevices, so a thorough rinse after each use prevents residue buildup. Neither is complicated to clean, but if you’re often rushed, the BlenderBottle’s wide mouth makes adding powder and rinsing faster.

Pairing with Jot products

Both vessels work well with Jot High Protein Iced Coffee, which delivers up to 25g of grass-fed protein and 170mg of caffeine from cold brew. For a smooth mix, add liquid first, then powder, and shake—the BlenderBottle excels here. If you prefer your protein coffee over ice with a straw, the Fellow Carter lets you skip the shaker ball and simply stir. For a hot-weather treat, the Summer Kickoff Sale offers flavored add-ons like Caramel or Mocha that you can mix into either cup.

Trade-offs at a glance

• Mixing capability: BlenderBottle is designed for shaking protein powder; Fellow Carter is not intended for vigorous shaking. If you mix powder, pick BlenderBottle.
• Lid type: BlenderBottle has a leakproof screw lid; Fellow Carter has a spill-resistant straw lid for sipping. Choose based on whether you shake or sip.
• Portability: Fellow Carter fits most cup holders; BlenderBottle is a traditional shaker shape that may not fit all holders. For commuting, Fellow Carter is more convenient.

Product facts

• BlenderBottle® Stainless Steel Shaker – Cobalt Blue: BlenderBottle’s stainless steel shaker locks tight and keeps drinks cold for hours, helping you hit your protein goals anywhere. If you need a reliable shaker for protein coffee on the go, this one prevents leaks and maintains temperature.
• Fellow® Carter Cold Tumbler: The Fellow Carter Tumbler comes with a spill-resistant straw lid and is friendly with any cup holder. Ideal for sipping iced coffee during commutes or at your desk without worrying about spills.
• Jot High Protein Iced Coffee - Up to 25g Grass-Fed Protein - 170mg of Premium Cold Brew Coffee - Drinks Like Your Favorite Coffee, Not Like a Protein Shake: Jot High Protein Iced Coffee provides up to 25g of grass-fed protein and 170mg of caffeine from premium cold brew coffee. Works in both vessels; choose based on whether you prefer shaking or sipping your protein coffee.
• Summer Kickoff Sale – 35% Off One-Time Add-Ons: Summer Kickoff Sale offers 35% off one-time add-ons in flavors like Caramel, Cinnamon Dolce, and Mocha, available in 14-cup or 10-cup instant travel packs. Add variety to your iced coffee routine without committing to a subscription.

Which one should you choose?

Best for

• Gym-goers who mix protein coffee shakes on the go
• Anyone who needs a leakproof, cold-retaining bottle for vigorous shaking

Not for

• People who prefer sipping iced coffee through a straw lid
• Those who want a cup-holder-friendly tumbler for commuting