The bristles are moderately dense, yet airy at the same time, offering uniform coverage with one stroke. The bristles are made from a mix of goat and blue squirrel hairs, which are velvety soft on your skin but still have a spring to the hairs. For powder products.

Goat & a small amount of Synthetic hair version: 

Smaller version: 

Denser version: 

Denser & latter tip version: