Single Kolinsky sable synthetic round brush. Danielle uses these exact paintbrushes for her own paintings and she's so excited to share them with you. Done in her favorite colors - blue and white. Danielle's favorite sizes are 4 and 6 but she likes the size 8 for washes and painting bigger areas and the size 0 and 2 for tiny details. A full brush set is available here in the online shop. The brushes are made right here in the USA by a small family company. Details: - Single brush - Synthetic - Premium quality blended diameter kolinsky synthetic sable performs like sable - Snap and Spring - Excellent control with maximum color holding capacity. - Brush Length - brush length around 7"-8.5" depends on size. - Overall Quality Rating - Best - Wooden handles - Media use - Best for watercolors. Good for acrylics