Premium Nylon Bristles: High quality nylon hairs that are durable and long-lasting. The bristles are sturdy yet soft to the touch, and perfectly shaped to hold plenty of paint and to create fine, medium, or broad strokes Portable Water Brush: The brush is small in size, lightweight, and easy to carry. The handle is made of wood and is comfortable to hold. The cap has a built-in water chamber, and the water can be refilled using the included pipette Leak-Free Design: The pen has a unique design that prevents water from leaking out when not in use. The cap seals tightly to keep the water inside, and the bristles are tightly packed to prevent leakage even when the brush is tilted Versatile Brush: The Aquapen can be used with watercolor, acrylic, gouache, and other water-based paints. It is perfect for outdoor painting, travel, and plein air painting, as well as for painting on the go or in small spaces Perfect Gift: The Aquapen is a unique and creative gift for artists of all ages. It is perfect for beginners and professionals alike, and for artists who like to paint on the go or experiment with different painting techniques, Weight: 0.02 pounds, Manufacturer: CHROMATEK