AquaMarine Skies 3-Pack Fine Grade Detailer's Clay Bars Proven stable clay formula saves your time and your car's finish. Works great on glass and plastic as well as your painted surfaces. Use it on your windshield and headlights. One bar does it all! Makes your polishing easier, more effective and safer. Enables wax or protectant to better bond and adhere to the paint. Convenient and economical pro-pack includes 3 clay bars. All are a generous 100 grams in weight.