English: Minimum size: 200x200px, ideal ratio 1.91:1, 8Mb max. (e.g. 1640x856px or 3280x1712px for retina screens)
Dutch: Minimum grootte: 200x200px; perfect ratio 1.91:1, 8MB max. (bijv.: 1640x856px of 3280x1712px voor retina schermen)