Specifications: Material: nylon brush Colour: white Size:12 pieces brushes, 6 flat brush, 6 sharp brush (small x2, medium x2, large x2 ) Features: Durable nylon brush tip holds its point, Can be used for solid colours or powdered pigment, use with aquash watercolour crayons, markers, and pencils to spread and smooth colours, Simply to squeeze barrel to easily control the ink or water flow.To use, blend with water, add ink to barrel and enjoy! (Note: Please make the water less than 2/3 of the pen's volume when filling water into the pen) Lightweight, portable and durable makes this an essential tool for artists and hobbyists to use at home, in a studio or on-the-go Package includes: 12 pcs water colour brushes