Color-Coded Efficiency: Choose from 8 vibrant colors (, white, orange, blue, red, yellow, green, black) to visually manage and organize your vials. This color coding aids in quick identification by date, ingredient, or priority, enhancing safety and efficiency in labs, medical settings, or studios. Versatile Compatibility: These caps are designed to fit 5-100ml ampoules and vials, making them ideal for a variety of uses. Whether it's for laboratory samples, medical dispensing, DIY crafts, or even in your home medicine cabinet, these caps meet diverse needs by ensuring your contents are securely stored. Advanced Leak-Proof Technology: Constructed from superior materials, these caps provide robust double leak-proof protection for 5-100ml glass ampoules and vials. They effectively block moisture and contaminants, prolonging the shelf life of sensitive liquids, reducing waste, and maintaining the integrity of your contents. and Reusable: Made from high-quality, chemically materials, these caps can endure high temperatures and repeated use. They resist aging and deformation, maintaining excellent sealing and hygienic conditions over time, making them a sustainable choice for frequent usage scenarios. User-Friendly Design: Engineered for ease of use, these caps can be securely installed with a single button and opened with one hand. They are easy to clean and air-dry, simplifying maintenance and saving both time and effort, ideal for environments where time is of the essence and cleanliness is . Description: Our reusable caps are designed for vials ranging from 5-100ml, providing an optimal solution for maintaining the integrity of your pharmaceuticals or laboratory liquids. These caps that once a vial is opened, it remains protected against external contaminants. Features: Prevents dust accumulation and leakage Minimizes evaporation of liquid contents Keeps the cap clean and hygienic Extends the freshness and usability of contents Specifications: Compatibility: Suitable for 5-100ml vials Material: , high-quality, non-reactive material Reusability: Designed for multiple uses to cost-effectiveness Application: Ideal for pharmaceuticals and laboratory environments Color: Mixed Color Package Contents: 16*glass vial caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.