4-pack 10-well Lightweight Plastic Palette Box with Soft Cover for Watercolor, Acrylic Paints 4-pack 10-well Lightweight Plastic Palette Box with Soft Cover Suitable for all water based media Each box has 10 rectangular wells Each Size: 16 cm X 7 cm (6.5"X 2.75") Made of molded white plastic, it is durable and easy to clean