Ishua 12pcs Nylon Hair Flat Pointed Tip Paintbrush Watercolor Acrylic Oil Painting Supplies Artist Paint Brush Set Purple Brush nylon hair will not shed, stray or spread while painting Seamless nickel ferrules won't rust or split. They are double-crimped to last longer and won't come loose after many uses Ideal for Watercolors Oils & Acrylics, 100% brand new and high quality Wooden handles give you more control of the brush while painting To clean your brushes, just run them under warm water to wash out the paint and use your fingers to gently reshape brush hairs