Smead® Blue 1" Expansion Letter Size Pressboard Fastener Folder Is Designed To Keep Your Often-Used Documents Safe And Sound. The Built-In Prongs Make Sure That Your Sheets Stay In Place And Neatly Ordered. Two 2" Embedded Prong Fasteners Securely Hold Your Papers. Reinforced With Matching Tyvek Tape. Made Of 25 Pt Pressboard Stock.