The Nature Palette Reactive Ink Cube Pack from Hero Arts contains 4 ink cubes that are perfect for a variety of craft projects. The quick drying, non-solvent and water based inks are made with a special hybrid ink formulation that reacts when spritzed with water for a range of creative effects.Available in a variety of shades, these 1in x 1in cubes feature Root Beer, Green Apple, Key Lime Fizz and Fog colourways.Features & Benefits Includes 4 Reactive Ink Cubes Feature hybrid ink formula that reacts to water Quick drying, non-solvent & water based Specification Size: 1in x 1in Colour: Root Beer, Green Apple, Key Lime Fizz & Fog