As for quality, the shoe rack is mediocre, and to prevent the connections from opening and falling apart, it requires insulation tape on all connections very tightly as soon as it is assembled. This way, it won't be thrown away in a short period of time and will be stable.

When you put 3 pairs on each shelf after a while the plastic joints of the lower shelves give way and collapse. The only solution is to divide it in half. The second star is because it is not expensive but....