Quality Park Kraft Button & String Inter Departmental Envelope 10" x 13", Blue, 100 Carton Safety which feature leather knuckles and Nahanco Traditional plastic top which feature leather knuckles and fingertips for added defense com Environmental Design 1: High yield ink and toner Family Model #: LC3017BK Ink or Toner Cartridge Type: Original Ink or Toner Color: Black Ink or Toner Pack Size: 1 Pack MICR Toner: No Next Day Delivery: Yes Number of Black Cartridges: 1 Number of Color Cartridges: 0 Pack Qty: 1 Page Yield Per Cartridge (Up to): 550 Refill: No Series or Collection: LC Supply Type: Ink True Color: Black Yield Type 1: High Yield Yield Type 1 Color: Black Yield per Cartridge (Black): 550 Brand Name: Quality Park Color Family: Blue Envelope Closure: Button & String Envelope Flap Style: Square Envelope Material: Kraft Envelope Number: Nonstandard Envelope Pack Size: 100 Per Pack Envelope Paper Finish: Smooth Envelope Size: 10" x 13" Envelope Type: Inter Departmental Envelope Window Location: None Height in Inches: 13 Next Day Delivery: Yes Pack Qty: 1 Paper Weight in Pounds: 28 Security Tint: Untinted True Color: Blue Width in Inches: 10 Make sure that documents stay safe moving between offices with these envelopes