Item Type: Paint Brush Set Material: Wooden Penholder + Nylon Wool Penholder Color: Blue Application: Suitable for acrylic, watercolor, enamel, oil, Celvinyl, gouache, water mixed oil painting, etc. Paint brush maintenance: 1. You must put them in the water quickly after use, otherwise they will harden. Do not place them in water, please dry them. 2. Cleaning: water-based paint-warm soapy water, oil/solvent paint-petroleum essence. 3. Drying/Storage: Place it flat or use it up. Pre-treatment: Use your fingers to gently rub the hair from the top of the pen, and then soak the pen tip in warm water for 3 minutes to soak the pen tip. When you first start using a new pen, it is very normal to lose a few bristles slightly. It is not a quality problem, so don't worry. Brush care instructions: 1. If it is used for non-oily painting, please wash it with clean water immediately, then straighten the direction of the pen and put it in a cool and dry place. When the pen is dry, do not touch other objects to prevent deformation. 2. If it is used for oily painting, after use, it needs to be cleaned with a brush cleaning liquid or a light detergent, and then rinsed with water, then straighten the direction of the pen and put it in a cool and dry place, and dry the hair 3. If it becomes deformed, dip it in a small amount of warm water and use your fingertips to smooth the shape to restore the original shape. Package List 20 x Paint Brush 1The brush will not shed hair, and no longer have to worry about the bristles falling off your artwork. The bristles will return to their perfect shape after each stroke. 2The short wooden blue penholder has a smooth surface and can better control the small details of the painting. 3Easy to clean, not easy to deteriorate, the bristles remain soft and flexible after each cleaning. 4Suitable for acrylic, watercolor, enamel, oil, Celvinyl, gouache, water mixed oil painting, etc. 5Package including 20pcs painting brushes, which is fair enough for your daily use.