Graphic 45 - Staples Square Policy Envelopes 5.25in. X5.25in. 6 pack Black; 2 each Of 3 Styles - Square Policy Evenlopes with tie closure are 5.25 x 5.25. Each size envelope package includes two each of three designs a total of 6. Policy Envelopes available in two colors: red and black. Each in four sizes: Large Regular Square and ATC sizes.