View 3 of 9 x 12 Open-End Window Envelopes in 28 lb. White w/Peel & Seel for Mailing a Business Letter, Catalog, Financial Document, Magazine. (White)

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View 1 of 9 x 12 Open-End Window Envelopes in 28 lb. White w/Peel & Seel for Mailing a Business Letter, Catalog, Financial Document, Magazine. (White) View 2 of 9 x 12 Open-End Window Envelopes in 28 lb. White w/Peel & Seel for Mailing a Business Letter, Catalog, Financial Document, Magazine. (White) View 3 of 9 x 12 Open-End Window Envelopes in 28 lb. White w/Peel & Seel for Mailing a Business Letter, Catalog, Financial Document, Magazine. (White) View 4 of 9 x 12 Open-End Window Envelopes in 28 lb. White w/Peel & Seel for Mailing a Business Letter, Catalog, Financial Document, Magazine. (White)