1Widely used among model enthusiasts: spray gun model making, cake decoration, drawing camouflage contours, tattoo manicure etc. 2Save more time than hand drawing, perfect for your painting business. 3Compact and practical mini air compressor, light and portable, easy to carry. 4Made of alloy material, sturdy and durable in use. 5Deliver nutrients directly to the basal layer of the skin, making the skin tender, smooth and elastic.