Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 12" x 16", White, 100 Carton Safety 9 Inside Width (Inches): 9 Nahanco Traditional plastic top 9 Inside Width (Inches): 9 The ink system allows the ink to smoothly flow from the reservoir to its tip so contents stay safe while in storage or transit Brand Name: Quality Park Color Family: White Envelope Closure: Self Seal Envelope Flap Style: Square Envelope Material: Tyvek Envelope Pack Size: 100 Per Pack Envelope Size: 12" x 16" Envelope Type: Catalog Envelope Window Location: None Height in Inches: 16 Pack Qty: 100 Paper Weight in Pounds: 14 Series or Collection: Survivor True Color: White Width in Inches: 12