Staples® First Class Self Seal #13 Envelope, 10" x 13", White with green diamond border, 100 Box Safety The 5 inch rings use ACMI AP nontoxic certified The 5 inch rings use our EZD design that opens with ease and can keep up to 1 sharp edges with this guillotine paper cutter These Staples wove catalog envelopes have a repeating border pattern that makes them easily identifiable as first class Brand Name: Staples Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Number: Nonstandard Envelope Pack Size: 100 Per Pack Envelope Paper Finish: Wove Envelope Size: 10" x 13" Envelope Type: Catalog Envelope Window Location: None Height in Inches: 13 Material of Item: Paper Pack Qty: 100 Paper Weight in Pounds: 28 Security Tint: Untinted Series or Collection: First Class True Color: White with green diamond border Width in Inches: 10