Inner finger groove allows slide removal by touching only slide edges Tight-fitting snap closure helps protect slides from shock and damage The company, founded in 1983, is headquartered in Paramus, NJ. Buy Stretch Chino Shorts from Next Hong Kong The mailer is made of polypropylene for durability and holds a 25 x 75mm (1 x 3") microscope slide (sold separately) for transport. The box contains 100 mailers... Plastic Slide Mailers from Globe Scientific - Producers of Mailer holds microscope slide securely for transport The mailer is made of polypropylene for durability and holds a 25 x 75mm (1 x 3) microscope slide (sold separately) for transport. An inner finger groove allows slide removal by touching only the edges, and a tight-fitting snap closure helps protect slides from shock and damage. Polypropylene construction for durability Microscope Slides And Covers Globe Scientific 513061 Polypropylene Slide Ailer With Flip Top Lid Glass Slide Mailer