Closed litter box for pets (1) comprising: - At least one lower module (2), configured for containing granular material for the collection of excrement products； - At least one upper module (3) coupled to the lower module (2) and configured for closing it； - At least a handle of the upper module (3) configured for allowing the carriage of the closed litter box for pets (1) ； and - Means (4) for the collection of produced excrement. The handle comprises at least a portion of the means (4) for the collection of produced excrement when these means (4) are placed in an excavated region (3d) of the upper module (3).
