These brushes of the brand Creotime water reserve are great for outdoor painting. You no longer need water reserve. To work drawing and watercolor in all its forms, including buckets, watercolor pencils, you control the flow of water through a non-drip valve by pressing the reservoir body brush. The brush is divided into two parts: a tip flexible and fine brush and a tank to put water. The comfortable grip is ideal for blending, shading and raised bets. 3 brushes with three different points.