Marketing Holders Clear Acrylic Vertical Postcard Holder for 4&rdquo;w literature Low Back Tri Fold (pack of 6) Single Pocket Dimensions: 4-3/8 inches wide x 3 7/8 inches high x 3 1/4 inches deep Pocket Dimensions: 4-1/4 inches wide x 1-5/8 inches deep Pocket Capacity: Approx. 75 Tri-fold Brochures Material: Ridged Styrene (Acrylic)