An airtight seal is crucial for preserving the quality and integrity of the contents inside small dropper squeeze bottles. Our bottles are equipped with high - quality airtight seals that prevent leakage and contamination. Whether you're storing liquid medications, laboratory samples, or cosmetic products, the airtight seal ensures that the contents remain fresh and effective. The seals are also easy to open and close, allowing for convenient use while still maintaining a secure closure. At Jiangsu Changfeng Medical Industry Co., Ltd., we pay close attention to the details of our product design to ensure that our small dropper squeeze bottles provide the best possible performance and reliability.