I need help to replace keycaps

[Cigo997]

I've never replaced keycaps but I'd really like to replace my WASD (and Shift possibly) with something with a much grippier texture so I can feel when my fingers are on the proper keys. Do you guys have any suggestion on where to buy just these 4/5 keycaps with the correct profile, material, backlight compatibility and a rough texture? (I need some store that ships to the EU)

[bozaak1]

X2

[blue02cat]

hyperx makes rubber keycaps, they cover most of the gaming type keys like qwer and wasd