The manufacturer says:
My fairing weighs in a few tenths over 12 pounds. The fairing has 2 drink tubes [no bladders for this weighing]. An AC adapter to charge my Li-Ion USB Battery and 2 Silk Vinyl Graphics. Of course, I painted the interior–90% coverage. Add all that together—3 pounds??? Just wanted to check the weight and include it in my blog for the record. Noted! BTW, the left-side Silk Graphic is in and on the fairing.