50-Well Freezer Storage Boxes with Hinged Lid

• Superior replacement for cardboard boxes - will not degrade or absorb moisture
• Durable polypropylene construction withstands freezing (to -80°) and autoclaving
• Improved 3 point hinge maintains its integrity during repeated use
• Alphanumerically labeled translucent lid provides easy sample identification
• Positive catch keeps lid securely fastened
• Holds 50 x 1.5 / 2.0 mL tubes