Feature Highlights: 1. 36-Piece Value Set – You get 36 plastic vials, each measuring about 20.5 mm in diameter and 59.5 mm in height, with a 14.5 mm inner diameter and 5 ml (0.17 fl oz) capacity. Plenty to cover your daily lab or storage needs. 2. Durable & Temperature-Resistant – Made from sturdy plastic, these centrifuge tubes withstand both high and low temperatures, can be frozen long-term, and offer excellent airtightness to prevent leaks or evaporation. 3. Easy to Use – Each tube comes with a secure screw cap. Simply unscrew, fill with your sample, and tighten—no worrying about spills or leaks. 4. Handy Storage Box Included – Keep your workspace neat and organized with the included plastic storage box, perfect for keeping tubes clean and accessible. 5. Wide Range of Uses – Ideal for holding liquids, solids, powders, seeds, pills, essential oils, perfumes, dyes, granules, and more. Great for hospitals, research labs, and everyday organizing. Product Details: These 5 ml plastic vials are made from quality temperature-resistant plastic, designed to be leak-proof and durable for long-term storage, even in freezing conditions. The screw caps ensure a tight seal, while the included storage box helps maintain order in your lab or workspace. Suitable for a variety of professional and personal uses. Specifications: - Material: Plastic - Color: As shown - Dimensions (per vial): Approx. 20.5 mm diameter × 59.5 mm height - Inner diameter: 14.5 mm - Capacity: 5 ml (0.17 fl oz) - Package includes: 36 × freezing tubes, 1 × plastic storage box Only the items listed above are included. Please note that colors may vary slightly due to lighting and monitor differences. Measurements have a tolerance of +/- 1–3 cm.