Clear polystyrene storage case holds 10 vials for convenient storage and transporting of vials. Vials are manufactured from Wheaton 33 low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements. Solid top black phenolic screw caps with 14B rubber liner are attached to vials. Vials and caps are autoclavable, polystyrene case is not autoclavable. Each case contains 5 polystyrene closable trays. Mini-File™ without vials is great for use in shipping or storing vials.