Features: Brand new and high quality The-DNA double helix model is made of plastic material, which is corrosion resistant, lightweight, and has high strength. Size: approx 35x6.5cm/13.78x2.56 inches, convenient for-you to store and manage, will not take up too much space. Medical props model is the perfect gift for the students or teacher in your-life. Make learning come alive and build creativity with this hands-on and interactive science kits! DNA double helix model can be used in far-ranging scenarios, such as school, hospital, and laboratory, contributing to the teaching and researching. Specifications: Material: Plastic Size: approx 35x6.5cm/13.78x2.56 inches Note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Set DNA Double Helix Model