Specifications include, but are not limited to: SIZE: #10 - with 4½” x 11 /8” poly patch window which shall be located 13 /16” from bottom edge and 4” from left edge. ¾” Parallel side seam construction is required. Side seams should have the adhesive line within 1/16” of the top edge of the back panel and within ¼” of the inner edge of the side seam. 1-1/2” (with +/- 1/8” tolerance) angled commercial flap. STOCK: 24 lb. white wove with “Security tint”. Security tint should be printed on the inside walls of the envelope, reaching flap gum line. Flap shall have full resindex gum line. COPY: Agency will furnish artwork on CD in PDF format to the awarded Contractor. Contractor shall image and impose for proper reproduction. Upon receipt of CD, contractor shall evaluate all digital files and determine any errors that could result in improper pressrun.