Staples Gummed Inter Departmental Envelopes, 10" x 13", Multi Colors, 100 Box Lanterns Plastic tubing measures 9" x Each pouch is made Plastic tubing measures 9" x 1500' and can be locked by heat sealing making it suitable for food packing storing applications it goes on transparently and won't yellow with age Brand Name: Staples Color Family: Multicolor Envelope Closure: Gummed Envelope Flap Style: Square Envelope Material: Paper 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: 100 Paper Weight in Pounds: 28 Security Tint: Untinted True Color: Multi Colors Width in Inches: 10 these Staples interdepartmental envelopes are easy to spot as being confidential