Reusable 3ml Vial Caps, Leak-Proof Dust-Proof Ampoule , 6 Colors for Easy Organization, Fit Injection Bottles & Storage Boxes (3ml Vial Caps （12-Pack/6-Colors ）)

Safeguard Your Precious Liquids Whether it's an expensive experimental peptide, unused injectable medication, or a carefully blended essential oil, once opened, preservation becomes crucial. Our reusable 3ml bottle cap is designed specifically to address this pain point. It provides a reliable seal, fully protecting the opened 3ml glass bottle from leaks, dust, and evaporation, ensuring the stability and contamination of the liquid inside, giving you confidence in every useFeature 1: Professional-Grade Seal, Protecting Value Double Leak-Proof Protection: Precision-engineered construction and materials ensure a tight seal, effectively preventing leakage and evaporation Comprehensive Barrier: Strongly isolates from moisture, dust, and other contaminants, providing a clean storage environment for sensitive liquids and significantly extending their shelf lifeFeature 2: Intuitive Color Coding for Efficiency Efficient Sorting System: Available in 10 vibrant colors, providing a powerful visual management tool. Personalization: Bottles can be quickly coded by project, date, user, or ingredient, enabling clear management in busy labs, clinics, or workbenches, significantly improving efficiency and eliminating human errorFeature 3: Durable and Sustainable Superior Durability: Made of high-quality materials, it offers excellent chemical stability and physical durability, withstands repeated high-temperature sterilization, and resists aging and deformation Easy Maintenance: After use, simply rinse, clean, and air-dry, ready for the next use. This reusable feature is not only economical but also environmentally friendly Wide Applications This cap is a reliable companion for a variety of applications: Professional Applications: Scientific laboratories, medical research institutes, clinics, and pharmacies for storing reagents, standards, peptides, hormones, and more Creative and Lifestyle Applications: DIY model paint mixing, cosmetic packaging, essential oil blending, and jewelry glue storage Home Use: Securely store unused medications or for travel sample packaging

• Reusable and Easy to Clean: Made of high-quality, chemically stable and corrosion-resistant materials, it can withstand high-temperature cleaning and repeated use, resist aging and deformation, and ensure excellent sealing and hygiene performance in long-term use
• Leak-Proof Design: Made of high-quality materials, specially customized for 3ml glass ampoules and vials, it provides double leak-proof protection, effectively isolates moisture and contaminants, significantly extends the shelf life of reagents, drugs and sensitive liquids, while reducing waste
• 10-Color Classification and Management: 6 color schemes are available (purple, white, orange, blue, Pink, gray，red, yellow, green and black), each with its own unique characteristics. This allows for visual coding by date, ingredient and priority, significantly improving organizational efficiency and operational safety in laboratories, medical institutions or studios
• Easy Operation and Maintenance: It can be securely installed with just one button and opened with one hand, making it suitable for frequent use. It can be cleaned and air-dried after use, simplifying maintenance and saving time and effort
• Suitable for Various Scenarios: Perfectly compatible with 3ml ampoules and vials, suitable for storing and managing various media, including reagents, model pigments, cosmetics and medicines. It meets various needs such as laboratory research, medical dispensing, DIY crafts and home medicine cabinets