AddiPak Unit Dose Saline vials are single-use 5ml 0.9% Sodium chloride solution. Ideal for use with Scleral Contact Lenses. Each unit dose saline vial has an inverted milliliter graduation on the tube for accurate dispensing. Addipak Saline vials are colour coded and ready to use. This unit dose saline is preservative-free and contains no bacteriostatic agents. Sterile. One Hundred (100) 5mL vials to a single box.