The model is colored for presenting an enhanced microscopic view of the cell structure.The model is made of durable polyvinyl chloride (PVC) Plastic-Coated Fiberglass. PVC Plastic is corrosion resistant, lightweight, and has high strength, resisting reactions with acids, gasoline, alcohol, and hydrocarbons. Fiberglass contains many extremely fine glass fibers in a plastic composite, and is commonly used for its strength, nonreactivity, and to insulate against sound, heat, and electricity. The model is suitable for high school or college students, or ages 13 to 21.The model measures approximately 50.0 x 45.0 x 4.0cm (L x H x W).