Lab Tube Mailer, Outside Height – English 5 7/8 in, Inside Length – English 4 1/8 in, Holds Container Style Lab Tubes, Holds Number of Tubes 3, Holds Number of Slides Not Applicable, Holds Maximum Tube Diameter 16 mm, Holds Maximum Tube Length 104.78 mm, Holds Slide Length Not Applicable, Holds Slide Width Not Applicable, Material Polystyrene, Color White, Standards Not Applicable, Outside Length – Metric 104.7 mm, Board Test Not Applicable, Wall Thickness 1/2 in, Package Quantity 36 Laboratory shipping kits include a foam container with a lid and corrugated shipping box. They are available in sizes that fit standard medical specimen containers. They secure specimens to avoid damage or spills during transport.Insulated shipping kits protect perishable items during transit and prevent exces.