ZHU TING 25 PCS / Set Multifunctional Oil Paint Brush Gouache Watercolor Acrylic Paint Brush Student Painting Supplies1. Material: nylon hair, pig bristle, horse hair 2. Weight: about 100g set 3. Size: about 26x18 cm set 4. Use: oil painting supplies 5. Features: high quality pen holder, comfortable feel, environmentally friendly paint surface, good brush adsorption, uniform and full coloring, vigorous and powerful brush strokes, aluminum alloy interface, smooth texture, splicing technology, prevent the pen tip from falling off, handmade, finely crafted 6.