1.New human engineers design makes a more comfortable hand-feel, controllability and stability;   

2.To prevent tumor seeding and inflammation by tissue fluid penetration;

3.The bag can be expanded automatically when push the handle, it’s easy to collect specimen;  

4.Endo bag is designed in accordance to the minimally invasive theory, it can go through small trocar (10mm);  

5.The bag is transparent and soft, with makes a good visually.