CB01 Large Round Buffer by Crown Brush. 

Use the Crown x Boxy Charm Contour Paddle Brush to apply a flawless application of foundation for a completely seamless, airbrushed finish. The perfectly sized brush head makes foundation applications quick and easy, and the expertly rounded shape helps get into all of those hard-to-reach areas of the Face. To use, put a few drops of product onto the bristles and gently buff into your skin. Repeat until desired coverage level is achieved.

Bristle Profile: High-Grade synthetic fibers, Incredibly durable, Indefinite lifespan with proper care, Can be used with liquid, powder, and cream cosmetics.