Quality Park HCFA-1500 Claim Form Envelopes - Single Window - #10 1/2 - 4 1/2" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box

No. 10 1/2 envelopes are designed for use with Insurance Form CMS-1500 and similar forms. The 1" x 4-1/2" window positioned 4-1/4" from the left and 19/16" from the bottom of the envelope. Inside security tint offers more privacy. 24 lb.

Country of Origin: United States