29 GCM 2024 GCM Advertising Specifications Marketplace Specifications 1/10-Page 1/5-Page Box 1/5-Page Banner 3/10-Page 2/5-Page Horizontal 2/5-Page Vertical 1/2-Page 3.5 " x 1.75 " 3.5 " x 3.675 " 7.25 " x 1.75 " 3.5 " x 5.6 " 7.25 " x 3.675 " 3.5 " x 7.5 " 3.5 " x 9.5 " Insert Specifications Tipping Minimum: 5 " x 3.5 " Tipping Maximum: 7.625 " x 10.375 " Bound Minimum: 6 " x 4.75 " Bound Maximum: 8.25 " x 10.875 "