Lightweight and excellent for storing tempera block trays! Rack is made of plastic coated wire. Set includes 12 filled tempera trays, 12 brushes and one sturdy tempera tray rack that measures 20-1/2" tall, 13" deep and 7-1/2" wide. Colors include: black, blue, brown, green, purple, red, white and yellow. AP Seal, non-toxic.