Marketing Holders 6 Pack Clear Plastic Sign Holder, Wall Mount, 8 1/2 x 11 (Catalog Category: Furniture & Accessories / Signs) 6 Pack Clear Plastic Sign Holder, Wall Mount, 8 1/2 x 11 by NU-DELL (Catalog Category: Furniture & Accessories / Signs) Clear Acrylic Vertical 8.5"w x 11"h Ad Frame with two mounting holes. Top/Side Load Viewable Area: 8 1/2"w x 11"h Overall Dimensions: 8 1/2"w x 12"h