TOPS Double Window Tax Form Envelopes for 1099 Misc./R Forms, 9 x 5 5/8 Inches, 24-Pack (2222) Use with 1099-R and 1099-MISC forms 24 envelopes per pack, Security tinted for privacy, Left aligned double address windows Overall size: 5 5/8" x 9" Top window measures: 1 3/8" x 3 3/8" ; Top window from bottom: 3 21/32" ; Top window from left: 1/2" Bottom window: 1 7/16"x 3 3/8" ; Bottom window from bottom: 1 17/32" x 1/2"