Lids have a durable, rolling hinge that withstands freezer storage and a snap-clasp that keeps boxes closed. Transparent polypropylene with bold alpha-numeric markings for easy sample identification. Natural. Measures 5 9/16" L x 6" D x 2 3/16" H.

• Holds 1.5 and 2.0 ml tubes and most 2.0 ml cryogenic vials
• Withstands -90°C storage or autoclaving
• Cells measure 12 x 12 x 25 mm