Amazon.com - Black 20x20 Wood Shadow Box Display Frame with Black Acid-Free Backing UV Acrylic & Hanging Hardware - with 3/4" Usable Depth - Graduation Shadow Box for Cap and Gown Shadowbox
11" x 14” Black MDF Wood Shadow Box Frame – The Display Guys
SwingFrame Metal Display 1-Inch Deep Shadow Box Frame 10+ Sizes – Shadowboxes