Set of four average size thyroids and larynx. Models show normal thyroid, Hashimoto's thyroiditis (lymphocytic thyroiditis), Graves' disease, papillary carcinoma, and the following structures: hyoid bone, thyroid membrane, thyroid cartilage, cricoid cartilage, and trachea. Made of durable, high-quality materials. Larynx model measures: 5-1/2 in. x 2 in. x 3-1/2 in. Thyroid models measure: 2 in. x 1-1/4 in. x 2 in., 3 in. x 1-1/2 in. x 2 in., and 2-3/4 in. x 1-1/2 in. x 2-1/4 in. Base size: 8-3/4 in. x 6-1/4 in. Card size: 8-1/4 in. x 6-1/4 in.