SPACEMEN - MAKER? - SPAIN

A set of for figures, two spacemen and two aliens. The aliens have hands with only three fingers.
These are semi-flat figure made of soft plastic; the size is between 5 and 5.5 cm. They came in yellow, blue, red, green, grey and white. The figures can often be found painted.

These were possibly premiums given away with Pipero detergent. The maker is not yet confirmed but Montaplex and Cosmo have been suggested. Name? Details