Quality Park Bulk Mail Envelopes. Expansion envelopes offer security for bulky mailings with a 2" expansion gusset for extra-thick mailings. Great for computer reports, catalogues and binders. Large end-opening allows easy document insertion. Convenient Redi-Strip closure requires no moisture to seal. Simply peel away the liner and seal. Envelopes are made of a durable, 40 lb. kraft. 25 per pack. 9" x 12" x 2" expansion envelopes offer security for bulky mailings. Gusseted sides expand up to 2" to accommodate extra-thick mailings. They are perfect for reports, catalogs or bulky documents. Redi-Strip closure requires no moisture. Simply peel off the strip and press for a secure seal. Extra-heavyweight, 40 lb. brown Kraft stock maintains durability during transit. General Information Manufacturer:Quality Park ProductsManufacturer Part Number:93334-NVXCManufacturer Website Address:http://www.qualitypark.comBrand Name:Quality ParkProduct Line:Redi-StripProduct Name:9 x 12 x 2 Expansion Envelopes with Self-Seal ClosureMarketing Information:9" x 12" x 2" expansion envelopes offer security for bulky mailings. Gusseted sides expand up to 2" to accommodate extra-thick mailings. They are perfect for reports, catalogs or bulky documents. Redi-Strip closure requires no moisture. Simply peel off the strip and press for a secure seal. Extra-heavyweight, 40 lb. brown Kraft stock maintains durability during transit.Packaged Quantity:25 / PackProduct Type:Envelope Product Information Mailer/Envelope Type:ExpansionMailer/Envelope Width:9" (228.60 mm)Mailer/Envelope Length:12" (304.80 mm)Mailer/Envelope Gusset:2" (50.80 mm)Basis Weight:40 lb (18143.69 g)Closure Type:Self-sealingClosure Side:Open EndFeatures: Self-adhesive Moisture Resistant Durable Physical Characteristics Color Family:BrownProduct Color:KraftProduct Material:Kraft Miscellaneous Recycled:NoAssembly Required:NoCountry of Origin:Singapore Product Numbers: QUA93334 085227933348 537142