To use the rubbing sponge effectively, simply apply your oil pastels as you normally would and then gently rub or blend with the sponge tip. Creating a smooth gradient effect. Ideal for artists looking to achieve a unique feeling in their sketches works. Features -Color:Assorted Color -Material:Sponge, plastic -Size:14.80X1.00X1.00cm/5.82X0.39X0.39in -Size:14.70X1.00X1.00cm/5.78X0.39X0.39in -Size:14.50X1.00X1.00cm/5.70X0.39X0.39in -Oil pastel compatibility: tailored to work with oil pastels, providing the ideal tool for blending and softening colors -Excellent blending effect: the flexible sponge heads deliver seamless transitions between shades, elevating your artwork depth -Diverse artistic choices: featuring various designs, the tool set meets different drawing styles and techniques, enhancing creativity -Sufficient supply: with multiple rubbing pens included, fit for many painting projects or classes -Great for gifting: a wonderful present for art enthusiasts, making it an for birthdays or special occasions Package list: 3 x painting oil pastel rub pens (3 styles)