• Double-window envelope accommodates all standard IRS 4-Up W-2 & 1099-R formats• Overall size: 5-5/8" x 9" - Windows display both Payer and Recipient name and address• Top window size: 3-7/8" x 5/8" ○ Position: 5/8" from left; 3-1/4" from bottom• Bottom window size: 3-7/8" x 11/16" ○ Position: 4-3/8" from left; 1-1/8" from bottom• Self-seal latex flap• Manufactured on 24# white wove paper• SFI or FSC fiber sourcing certified• Each pack contains 100 envelopes