1.Safety: non-toxic, no stimulation, no stain, no other sterilization before use to avoid the pollution caused by infiltration of disinfectant residue and reducing transfusion reactions.

2.Convenient: just tear it down and paste it on the bottle mouth, so it can simplify clinical care operation and reduce the burden of medical worker.

3.Anti-pollution: firmly sealing, wide covering surface and good dust prevention, so it will not pollute the bottle mouth even the bottle dumps.

4.Economic, Environmental Protection: it can save all kinds of materials such as cotton ball, disinfectant, adhesive plaster, disinfect tweezers, cotton ball tank, drum used for soaking tweezers etc., simplify complex operation sequence and reduce manpower and material resource cost.