Displays2go Snap-Open A-Frame Sidewalk Sign for 22 x 28 Inches Posters, Aluminum, Double-Sided, Black (AFS2228BLK) Hinged, snap-open frames make it easy to update signage Lightweight, portable structure can be repositioned with ease Non-glare PVC lens covers posters, keeping them protected from dirt, debris and fingerprints Hinged interior creates a stable presentation for outdoor use