A palette especially designed for acrylic painting. It will keep acrylic paints moist and workable for weeks. Clear lidded plastic tray contains three sheets of "reservoir" paper and 12 sheets of "membrane paper". Stay-Wet works by osmosis moisture evaporating from the surface is replaced by water from the dampened reservoir paper beneath the semi-permeable membrane which forms the working surface of the palette.

It is available in two sizes: Small 254x279mm and Large 508x279mm. Refills are also available.