The bright yellow background and the prominent 'NS Flex' text.

The video opens with the NS logo on a bright yellow background. A white card appears with 'NS Flex' and 'Abonnement' written on it. The text 'Altijd voordeel dat past bij jouw reis.' appears. More cards with different subscription options like 'Dal Vrij', 'Weekend Vrij', and 'Dal Voordeel' are shown. The text 'Maandelijks wijzigen of opzeggen.' appears. A smartphone is shown displaying the NS Flex app with options to 'Start hier', 'Dal Voordeel', 'Weekend Vrij', and 'Dal Vrij'. The video ends with the website address.