Few suggestions for the materials that suit for one stroke painting.check the below links. BRUSHES: https://www.amazon.ca/Brushes-Laniakea%C2%AE-Watercolor-Acrylic-Painting/dp/B01LWUDLOG/ref=sr_1_3?ie=UTF8&qid=1509463913&sr=8-3&keywords=ACRYLIC+BRUSH+SE