The dosing folding box is suited for powders and granules. It is equipped with two variable slide openers, for convenient opening, pouring and reclosing. The innovative slide openers work well even after repeated use and are made for ease dosage due to two different sets of adaptable opening holes. This dosing folding box is made from one sheet with minimal additional board consumption, it contains a tamperevident closure, it is absolutely trickleproof and it is made for easy automated erection and filling so convenience, function and sustainability at its best.