Staples® Laser Security Tinted #9 Double Window Envelope 3 5 8" x 8 7 8", Wove White, 500 Box Safety 25 Next Day Delivery: Yes 58487 25 Next Day Delivery: Yes Note Card & Postcard Type: Notecards Pack Qty: 60 Paper Finish: Matte Paper Weight in Pounds: 80 Paper size Filter: 4 1 4" x 5 1 2" Preprinted Greeting: Blank Printer Compatibility: Inkjet Printer Type Used: Inkjet Printing Paper Finish: Matte Series or Collection: Embossed Note Cards Software: Software Not Included Stationery Theme: General Use True Color: Ivory Width in Inches: 5 Adjustable Back Height: yes Adjustable Headrest: Yes Adjustable Knee Tilt: No Adjustable Tilt Angle: No Arm Height Adjustment: Yes Adjustable Arm Type: All Adjustable Assembly Information: Full Assembly Required Back Material: Mesh Back dimensions: 18"H x 18 These Staples double window security tint envelopes come in a 500 pack and have heavily gummed flaps that let you close them shut by applying moisture Brand Name: Staples Color Family: White Envelope Closure: Gummed Envelope Flap Style: Square Envelope Material: Paper Envelope Number: #9 Envelope Pack Size: 500 Per Pack Envelope Paper Finish: Wove Envelope Size: 3 5 8" x 8 7 8" Envelope Type: Double Window Envelope Window Location: Double Left Height in Inches: 3