Specifications include, but are not limited to: Envelopes: A-6 (4 3/4 x 6 1/2) 24# WW, White M; A-7 (5 1/4 x 7 1/4) 24# WW M; A-9 (5 3/4 x 8 3/4) 24# WW (Window 1 1/2 x 3 1/2, 1L, 3/4 B) M; #6 3/4 (3-5/8 x 6 1/2) Regular, 24# WW M; #9 (3 7/8 x 8 7/8) 24#, Pink Wove M; #9 (3 7/8 x 8 7/8) Courtesy Reply M; #9 (3 7/8 x 8 7/8) Business Reply, Tint M; #9 (3 7/8 x 8 7/8) Right Hand Window (Window 1 1/8 x 4 1/2) M; #9 (3 7/8 x 8 7/8) Regular 24#, WW M; #9 (3 7/8 x 8 7/8) Regular, Contour Flap M; Printing Services: Postage Paid Permit Book M; Small Order, Return Address, One Color M; Small Order, Other than Return Address M; One Color, Sizes 6 1/4 - 14 M; Additional Charge, One Color, Sizes 6 X 9 - 12 x 15 1/2 M; Additional Charge, One Color, Sizes 6 1/4 - 14 M; Second Color, Sizes 6 x 9 to 12 x 15 1/2 M; Additional Charge, Second Color, Sizes 6 1/4 - 14 M