Designed for Medicare Form CMS-1500 and other health insurance claim forms. Features security tint to preserve privacy. Treated with an antimicrobial agent to protect the envelope from the growth of bacteria, mold, mildew, fungus and odors. Envelope Size: 4 1/2 x 9 1/2; Envelope/Mailer Type: Business/Trade; Closure: Gummed Flap; Trade Size: #10 1/2.
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