Lab Tube Mailer, Outside Height – English 1 1/4 in, Inside Length – English 4 1/8 in, Inside Height – English 5/8 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 101.6 mm, Holds Slide Length Not Applicable, Holds Slide Width Not Applicable, Material Polystyrene, Color White, Standards DOT, IATA, Outside Length – Metric 130.3 mm, Board Test 32 ECT, Package Quantity 150 Laboratory shipping kits include a foam container with a lid. 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 excessive heat or cold from damaging.