From the manufacturer:
These Face Painting Brush Pen Sets are ideal for quick and easy designs. Just twist the barrel until the brush tip is filled with face paint. The nib is perfect for outlines and small designs as well as for larger coverage. Easily washable, these brush pen sets offer the fun of imaginative and creative play without the mess. Paraben- and fragrance-free. Each set contains three Brush Pens. The Adventure Set includes one each of gold, red and blue. The Fantasy Set includes one each of silver, pink and purple. The Halloween set includes one each of orange, white and black. The Jungle Set includes one each of yellow, green and brown. The Monochrome Set includes two black and one white.