These HJ Gold Sable Artist's Watercolour Brushes can be used with most paints, but are excellent for all watercolours, acrylic inks, tempera, and fluid acrylics. These brushes can also be used for any of the painting mediums. The bristles are synthetic, have good flexibility, keep their shape well and hold plenty of colour. These brushes have short clear plexiglass handles with an angled tip