Grip Rubber

Are all Crimson Trace lasergrips rubber, or are rubber grips a separate product?

Is it possible for a gun to have both a lasergrip and a rubber grip at the same time?

You can look at their products here

http://www.crimsontrace.com/Home/Products/tabid/55/Default.aspx

Metal Fight Beyblade – Unboxing and Review – Grip Rubber White Version