Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 10"L x 13"H, White, 25 Box Nitrile Glove Orville Redenbacher's is the only # of Labels Per Pack:60 Orville Redenbacher's is the only leading brand that uses real butter and the only leading brand of microwave popcorn with no artificial preservatives Roll has perforation every 12" for easy tear off that is easy to apply remove Brand Name: Quality Park Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Material: Tyvek Envelope Pack Size: 25 Per Pack Envelope Size: 10" x 13" Envelope Type: Catalog Height in Inches: 13 Next Day Delivery: Yes Pack Qty: 25 Paper Weight in Pounds: 14 Series or Collection: Survivor True Color: White Width in Inches: 10 and special panels reveal the word "Opened" in bold red letters if forced open