Amazon.com : Set of 25, Acrylic Sign Frames 4”w x 6”h, Slant Back Poster Holder with Slide-in Design - Clear Lucite : Office Products
8.5×11 Slide In Frame – 1 inch Black Mitered Profile Double Sided – Displays Outlet – Online Display Signs Retailer
Wall Mounted Acrylic Shadow Box for Framed Canvas, Matted Print, 3D Art | shopPOPdisplays
Wall Mount Enclosed Frames 8-1/2 x 11
Juvale | Designed for Modern Living
Futura Slide Displays - Aluma Designs
Amazon.com - Photo Booth Frames - 4x6 Inch Clear Acrylic Magnetic Picture Frame for Refrigerator, Office Cabinet, Locker, or Dishwasher - 10 Count
6x6 Green Picture Frame - Wood Picture Frame Complete with UV Acrylic, - Bed Bath & Beyond - 36730214
Amazon.com : Ceiling Suspended Clear Acrylic Poster Frame Displays 17 x 11-Inch Signs, Double-Sided Display, Slide-in Side Loading - Sold in A Set of 4 : Business And Store Sign Holders : Office Products
Clear Acrylic Insert Paper Sign Protector For Post Top Frames & Stands, QueueSolutions AC711