Photo 1 of WINPAQ #10 Window Envelopes, 100 Pack – 4-1/8 x 9-1/2", Self-Seal, White, 24lb Paper, Single Left Window, Perfect for Checks, Invoices & Business Mail

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Photo 1 of WINPAQ #10 Window Envelopes, 100 Pack – 4-1/8 x 9-1/2", Self-Seal, White, 24lb Paper, Single Left Window, Perfect for Checks, Invoices & Business MailPhoto 2 of WINPAQ #10 Window Envelopes, 100 Pack – 4-1/8 x 9-1/2", Self-Seal, White, 24lb Paper, Single Left Window, Perfect for Checks, Invoices & Business Mail