Catalog Office Supplies Office Paper & Notebooks Envelopes & Letter Openers Envelopes and letter openers offer secure transport and handling of items such as documents, hardware, photos, and CDs. Letter openers fit underneath envelope flaps to open items cleanly and efficiently. ◀◀ ◀ ▶ ▶▶ Business Envelopes: #9 Envelope Size, Gummed Flap, Paper, 500 PK Window Envelopes: 1 Windows, Bottom Right, #10-1/2 Envelope Size, Security Tint, 500 PK Business Envelopes: #10 Envelope Size, Self Adhesive, Paper, White, 4 1/8 in Ht, 30 PK Business Envelopes: #6-3/4 Envelope Size, Self Adhesive, Paper, 100 PK Window Envelopes: 2 Windows, Bottom Left/Top Left, #8-5/8 Envelope Size, White, 500 PK Window Envelopes: 1 Windows, Bottom Left, #10 Envelope Size, White, 4 1/8 in Ht, 500 PK Business Envelopes: #9 Envelope Size, Gummed Flap, Paper, 500 PK Business Envelopes: #10 Envelope Size, Gummed Flap, Paper Stock, White, 500 PK Window Envelopes: 2 Windows, Bottom Left/Top Left, #9 Envelope Size, White, 500 PK Window Envelopes: 1 Windows, Bottom Left, #8-5/8 Envelope Size, Security Tint, 500 PK Window Envelopes: 2 Windows, Bottom Left/Top Left, #8-5/8 Envelope Size, 1,000 PK Business Envelopes: #10 Envelope Size, Self Adhesive, Paper, 100 PK Business Envelopes: #6-3/4 Envelope Size, Gummed Flap, Paper, White, 500 PK Business Envelopes: #10 Envelope Size, Gummed Flap, Paper, White, 250 PK Business Envelopes: #10 Envelope Size, Gummed Flap, Paper, 500 PK Window Envelopes: 1 Windows, Bottom Left, #10 Envelope Size, White, Gummed Flap, 500 PK Business Envelopes: #10 Envelope Size, Gummed Flap, Paper, White, 4 1/8 in Ht, 1,000 PK Window Envelopes: 2 Windows, Bottom Left/Top Left, #8-5/8 Envelope Size, 500 PK Business Envelopes: #10 Envelope Size, Self Adhesive, Paper, White, 500 PK Window Envelopes: 1 Windows, Bottom Left, #9 Envelope Size, Security Tint, 500 PK ◀◀ ◀ ▶ ▶▶