QR Code Link to This Post Comes in a one (1) ounce plastic bottle, with directions on the back of the bottle.It can be used to clean plastic car headlights, plastic roof sky lights, plastic motorcycle windshields, and plastic boat windows also.This cleaner removes the oxidation and discoloration.Q: Will this oxidation ever return after using This Cleaner? A: Every situation is different some benefit from a second treatment in as little as 6 months. Others stay clean for years. Q: How many cars can I clean with one bottle of this Cleaner? A: 10 cars per bottle (20 Headlights).Location: North Memphis Raleigh. Will sell for $16.00 a bottle, or best offer ( if applied correctly this one ounce bottle will last a long time for you). I use it on my car headlights and I have tried the other products and this one really works better than the others.