I don't think lips are important at all, I have small lips and I don't see how it matters tbh, I've never had any complaints.
the lips barly touch the penis anyway, its the tongue and the roof of the mouth that does all the work. Its just a preference thing, do you like the sight of bigger lips surrounding your penis?
Do girls with bigger lips give better head?
Do girls with bigger lips give better head? What if guys have big lips, do they help with anything other than kissing?