The Chemical Guys Medium Clay Bar is the safest and most effective way to remove contamination from your vehicle’s paintwork. Flex-Clay Technology easily removes moderate overspray, rail dust, brake dust, pollution and contamination for a smooth-as-glass feel. The unique elastic grey detailing clay pulls off moderate and rough contamination like a magnet. The advanced Medium Clay Bar is designed to cleanse vehicles with years of contamination and rough pollution. The Medium Clay Bar works great on paintwork, glass, plastic and metal surfaces. Detailing clay bar safely removes overspray and pollution without damaging the surface. The Chemical Guys Medium Clay Bar is the perfect choice for removing embedded contamination from new and old vehicles. The Medium Grey Clay Bar is the safest way to cleanse virtually any painted surface. Great for removing contamination before applying your favorite coat of carnauba wax or paintwork sealant. The Chemical Guys Medium Clay Bar is non-abrasive and safe on aluminum, chrome, fiberglass and all painted surfaces. Restore the smooth feel back to any car, truck, motorcycle, RV and boat with the Chemical Guys Medium Clay Bar. Luber Synthetic Lubricant & Detailer is a high-lubricity lubricant specially formulated to increase lubricity and reduce friction. Luber lubricates paint delivering a slick, non-stick surface that is perfect for using any clay bar or clay block. Luber easily lubricates the surface so that a clay bar or clay block is easily and gently glided across to easily remove rail dust, water spots, tar, bugs and paint over-spray from automotive paint and glass surfaces. Luber contains highly reflective shining agents that form an ultra-thin protective coat that allows the clay block or clay bar to work more effectively and evenly on recently waxed or sealed surfaces. Luber is synthetic which means it works exceptionally well on any surface including glass.