Iwata Lube Premium Airbrush Lubricant keeps your airbrush parts moving smoothly for optimal performance. Maintaining its viscosity on the needle packing and air valve O-ring, Iwata Lube is silicone free and does not evaporate after being applied. Iwata Lube is non-toxic, environmentally friendly and not harmful to skin. Made in the USA, Iwata Lube is available in 0.34 fl oz / 10cc tubes.