Sinder is an amazing vtuber and her cup is my favorite cup
Good marceting move with the free sample wolrdwide. It is telling that the manufacturer is confident in its product.
And indeed I was suprised in positive way. What confirms it I bought right after GG Energy tube.
The cup is made out of nice thick plastic. The image is clean and nice.
The design on this shaker is great! Who wouldn't want a cup with catgirls in bikinis on it.