Lids have a durable, rolling hinge that withstands freezer storage and a snap-clasp that keeps boxes closed. Bold alpha-numeric markings aid sample identification. Natural, black, or mixed neon colors (blue, green, orange, pink, and yellow). Measures 5 9/16" L x 3 3/8" D x 2 3/16" H. Polypropylene.

• 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