Morris Minor Owners Club

I have bright shiny new badges for the bonnet of Tom's moggy, and new embellishers for the bottom of the wipers. I presume I need to use a sealant when I fit the new ones, especially the wiper bezals. Is there a particular product that anyone can recommend?
thanks

The wiper bezels should have a gasket on them. I use any of the waterproof
sealants such as for curing windscreen leaks etc on all the areas where water
could seep through such as the pins on the bonnet badges.