Green PC lower section filled with a non-toxic gel; gel-filled white or non-filled clear polycarbonate lid with handle. 0 °C coolers replace messy ice baths. They are supplied with sixteen inserts to convert 1.5 ml holes to accept 0.2 to 0.5 ml microcentrifuge tubes. Excellent for transporting samples in Vacutainers® in hospitals and clinics. Coolers accommodate tube height up to 125 mm when lid is latched.