Made of nylon synthetic wool, the texture is harder, and the material flows smoothly and has moderate saturation. It is an ideal painting tool for beginners.The aluminum-plated copper pen tube is full of art, the surface is bright and texture is good, it is not easy to rust and not easy to fall from the barrel.The length is moderate, the hand feel is good, and the workmanship is delicate and smooth.The pen is not cracked,even soaked in the water for 24hours.which solves the problem of beginners in choosing brushes and meets the requirements of painting professionals for brushes.Packing : 1Set Oil Painting Gouache PenMetal nozzle, smooth textureExquisite craftsmanship, long service lifeSmooth flow, fine workmanshipexquisite craftsmanshipWooden pen body, durableNOTE1.Please allow slight deviation for the measurement.2.Due to the light and screen difference, the item's color may be slightly different from the pictures,thanks for understanding