This pair of essential brushes complement each other perfectly. 

The beautiful duo includes:

Contour and Highlighting brushes.

Contour and Blend: Achieve the perfect blush or blend your contour with the ergonomically designed contouring brush. (Contouring Brush)

Illuminate: Highlight anywhere on your face and body where you want an accent or glow, with the highlighting brush. (Highlighter Brush)