Healthcare Claim Form #10 1/2 Envelopes, 1 Window, CMS-1500, Self Seal, Privacy Security Tint, 4-1/2 x 9-1/2 Inches, 24 lb White, 500/Box (QUA21438) (Pack of 5)

Each box contains 500 Healthcare Claim Form #10 1/2 Envelopes, measuring 4 1/2 inches by 9 1/2 inches. They are white and include one window designed to show the name and address on Healthcare Claim Form CMS-1500 and similar insurance forms. These #10 1/2 window envelopes are made from 24 lb white wove paper with side seams. The single right-position window is intended for CMS-1500 claim forms with right-side addressing. The security tint, featuring a reflex blue pattern, helps protect sensitive data by obscuring the contents even when held up to light. The Redi-Seal self-seal design requires no moisture. The unique double flap allows you to simply raise the lower flap and press to seal. Stock up on boxes of 500 machinable #10 1/2 claim form envelopes for bulk mailings. The window measures 4 1/2 inches by 1 inch, positioned 4 1/4 inches from the left edge and 1 9/16 inches from the bottom