Staples First Class EasyClose Catalog Envelopes, 9"L x 12"H, White and Green, 100 Box Safety 875 Material of Item: Paper ACMI AP nontoxic certified 875 Material of Item: Paper Pack Qty: 1 Paper Weight in Pounds: 24 Security Tint: Untinted True Color: Ultra Lime Green Width in Inches: 3 Eureka Ergonomic starts with an idea Brand Name: Staples Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Material: Paper Envelope Number: Nonstandard Envelope Pack Size: 100 Per Pack Envelope Paper Finish: Wove Envelope Size: 9" x 12" Envelope Type: Catalog Envelope Window Location: None Height in Inches: 12 Next Day Delivery: Yes Pack Qty: 100 Paper Weight in Pounds: 28 Security Tint: Untinted Series or Collection: First Class True Color: White Green Width in Inches: 9 and it features EasyClose strips that let you simply peel and press for secure closure