Introducing the Labconco BTL Serum Vials, designed for optimal storage and handling of your valuable samples. Each vial holds 20 mL and features a secure cork closure, ensuring airtight protection. The pack includes 100 vials, making it perfect for bulk use in laboratories or research settings. Crafted from high-quality materials, these vials are ideal for serum and other liquid samples, providing durability and reliability. Whether you're conducting experiments or storing specimens, the Labconco BTL Serum Vials are an essential addition to your lab supplies.