Fluid Art Ready-To-Pour Acrylic sets contain specially selected color palettes to create beautiful paint pours every time. Fluid Art Ready-To-Pour vibrant, highly pigmented colors are ready-to-use straight out of the bottle. No additives needed. Specially formulated to flow easily across the surface. Each set contains four 4 oz. bottles of paint to make paint pouring easy, convenient and affordable. Approximately 6-oz. of paint covers one 12" x 12" surface.