I don't sell them mate I bought mine off A3kent who uses this forum. yes it is gloss surrounds with matt black inside, the fog lights are the same aswell.
Not sure if he sell's them for your year of car but drop him a PM and ask. He gives a discounted price for users off this forum.
I think you do a black grill for the s Line 2006 Audi A3, its gloss outside and mat black inside.
do you sell these? how much can I get one for?