Poster Palooza 3x3 Traditional Walnut Wood Shadow Box Square Frame - UV Acrylic, Acid Free Backing, Hanging Hardware Included! This Shadow Box Frame Has Interior Dimensions of 3x3 Inches. Overall dimensions 4x4 Inches. Moulding Width: 1 Inches - Rabbet Depth: 1 5/8 Inches UV Resistant Frame Grade Acrylic Sheet & Acid Free Backing Included. Frame can be displayed vertically or horizontally. Easel Stand Included for Table Top Display.