Description: Material: Crafted from PVC material, this cell membrane structure model is designed to withstand regular use in educational settings, ensuring long-last durability Product Size: With dimensions of 24cmx19cmx12cm, this model is conveniently sized for classroom demonstrations and easy storage without taking up too much space Feature: The model is suitable for teaching the structure of cell under electron microscopy in biology teaching in secondary and junior colleges. Students learn about the three-layer structure of the cell, the arrangement of protein and lipid molecules Educational Tool: Ideal for middle and high school biology classes, this model serves as a teaching aid to help students understand the complex structure of cell membranes Multifunction: Biology experiment equipment model has a delicate design and vivid details. It can be used as a teaching instrument or a display model, providing a clear visual aid that enhances learning and comprehension for students Specification: Material: PVC Size Chart: 24cmx19cmx12cm/9.45inchx7.48inchx4.72inch Package Includes: 1 Piece Cell Membrane Structure Model Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.