Staples First Class Self Seal #13 Envelope, 10" x 13", White with green diamond border, 100 Box Safety 3 Color Family: White Copy True Color:Ebony Wood Grain 3 Color Family: White Copy & Printer Paper Finish: Wove Cotton Content %: 25 Fine Business & Resume Paper Type: Business Number of Reams: 1 Ream Paper Color Type: Brights Paper Weight (lbs # of Pads: 12 Acid Free: Non Acid Free Binding Position: Top Brand Name: Ampad Color Family: Yellow Hole Punched: Yes Notepad Binding: Tape Notepad Cover Material: Chipboard Notepad Type: Writing Pad Number Sheets Per Pad: 50 Perforation: Perforated Rule Type: Wide Selling Quantity (UOM): Dozen Sheet Dimension: 8 Each envelope is easily sealed by simply folding the flap and pressing down These Staples wove catalog envelopes have a repeating border pattern that makes them easily identifiable as first class