BPA-vrije shakerbeker met mengbal

Didn't expect the little wire ball to make this much difference, but my protein powder actually dissolves instead of clumping at the bottom. The 400ml size is just right for a single scoop, and it hasn't leaked in my gym bag yet.

The blender ball actually does its job—my protein powder mixes smooth with just a few shakes, no clumps at the bottom like my old cup. The 400ml size is perfect for a single scoop, and the lid seals tight enough to toss in my gym bag.

I was worried about clumps when mixing my protein shake, but the stainless steel mixer ball whips through everything so fast that I’ve stopped checking the bottom. The 400ml size is perfect for my post-workout drink, and the lid seals tight enough that I can toss it in my gym bag without a single dr