You are looking at a (4) four ounce bottle of Ultra Pure Acrylic Thinner/Reducer/Cleaner. This Triple-purpose thinner/reducer can also be used as an airbrush cleaner. While being Non-toxic, it allows paint to flow smoother and reduce tip drying when sprayed at 10-15 psi. Recommended ratio is 2-3 drops of reducer per 10 drops of paint About this item Ultra Pure is a water based acrylic paint thinning reducer and extender base Designed to make the airbrush colors thinner, increase color transparency and improve the color flow with smaller tipped airbrushes Contains acrylic based binders to ensure that you do not lose any paint quality when reducing it further for any desired effect. We recommend thinning with airbrush reducer & extender base when doing fine-line detailed work with a small tipped airbrush The “Ultra Pure” thinner reduces the viscosity of acrylic-based decorative compounds without deteriorating their quality. Increases the fluidity, lightness, transparency of paints, expands the brush stroke. – Add to the acrylic-based composition for dilution and stir thoroughly – Ready-to-use composition, do not dilute – Environmentally friendly – After work, rinse the tools with water – Frost resistant If your item is delayed while in transit, over which I have no control , please kindly understand and do not leave feedback based upon this. BUY IT NOW, BEFORE THIS SWEET DEAL RUNS OUT!!! WE HAVE A POST OFFICE CLOSE BY SO WE SHIP SEVEN DAYS A WEEK!! INCLUDING SUNDAYS!!! “PLEASE ASK ALL QUESTIONS” BEFORE BIDDING OR BUYING, GOOD LUCK & HAPPY BUYING!!!