- Name: 6/12/24/36/48Pcs Painting Tools Watercolor Paints Mini Box - Size:16mm * 9mm - Shape: Rectangular - Material: Plastic - Usage/Description: It is convenient to fill Oil/Watercolor/Gouache/Acrylic pigment into the Half Paint Pans, then you can put these pans into Metal Box, it will be easy to carry out for painting.