Fangrui Product Details Versatile Educational Tool: Ideal For Home Teaching, Training Sessions, And Demonstrations, This Model Serves As An Intuitive Teaching Aid That Is Easy To Transport And Convenient For Learning Purposes Material: Crafted From Pvc Material, The Large Intestine Model Is Sturdy For Long Term Use Compact Design: With Dimensions Of 6.30inchx4.33inchx2.17inch, This Model Is Designed To Be Compact Yet Detailed, Making It For Both Personal Study And Professional Educational Settings Comprehensive Digestive System Model: This Model Accurately Represents The Human Digestive System Including The Stomach , Large Intestine, Cecum, Rectum, And Duodenum For A Thorough Understanding Of Human Package: The Package Includes 1 Pieces Detailed Human Digestive System Model Specification: Material: Pvc Size Chart: 16cmx11cmx5.5cm/6.30inchx4.33inchx2.17inch Package Includes: 1human Digestive System Model Note: Please Allow Slightly Errors 1-2cm Differences Due To Manual Measurement.