It is very smooth and literally no flaws, just go for it..
The QiYi QiFa Square-1 Cube is a smooth, stable square-1 cube at an affordable price. This is the first entry-level square-1 to be released from QiYi and it features the popular "frosted" plastic for the Stickerless variant which improves grip and looks spectacular. When using the QiFa, you can expect smooth layer rotations and very controllable speed. This cube is sure to be popular with beginner and intermediate solvers alike.