Heathrow Scientific Lab Slide Mailer, Holds (2) 3 in L x 1 in W Slides, 4x3 in Inside LxWxH, PK 36

Slide Mailers Mailers hold standard 3" x 1" (75mm x 25mm) slides. (A) Cardboard mailers have thumb grooves to make it easy to remove slides. (B) and (C) Polypropylene mailers close securely and can also be used for slide storage. Part Numbers: 6PTJ7 and 6PTJ5 contain an assortment of colors. Others are natural color. (B) 2-slot models have large, easy-to-secure snaps. (C) 5-slot models have slotted interior channels to keep slides separated and make removal easier. Part Number: 6PTJ4 opens at the side; Part Numbers: 6PTJ5 and 6PTJ6 open at the end.