Quality Park Gummed Security Tinted Business Envelopes, 3 5 8" x 6 1 2", White, 500 Bx Safety This sit stand desk converter sits 60986 This sit stand desk converter sits on top of your existing desk and lets you work comfortably from either a sitting or ergonomic standing position this standing desk converter can be easily adjusted to your preferred height by holding down the lever Brand Name: Quality Park Color Family: White Envelope Closure: Gummed Envelope Flap Style: Commercial Envelope Number: #6 Envelope Pack Size: 500 Per Pack Envelope Size: 3 5 8" x 6 1 2" Envelope Type: Business Height in Inches: 6 5 Material of Item: Paper Pack Qty: 1 Paper Weight in Pounds: 24 Security Tint: Security Tinted True Color: White Width in Inches: 3