Best Seller | THERMOSAFE 364 Test Tube Mailer, 5-1/8 In H, PK150, Color: White 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,... ... more THERMOSAFE 364 Test Tube Mailer, 5-1/8 In H, PK150, Color: White 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,... | | $145.99 go to store |