Metal Poster Snap Hangers | Aluminium Strips for Banners, Adverts, etc
Slimline Aluminum SnapGraphics Poster and Banner Hangers | Power-Graphics.com
Aluminum Poster Holder Rails for 36" Graphics, Includes Suction Cups for Attachment to Glass, Window Poster Hangers with Snap-Open Design - Banner NOT Included (ABR36CUP) - Walmart.com