Winnable® Legal-size expanding poly interoffice envelope features a clear front pocket to hold routing sheets. Expands up to 1-1/4" for extra capacity. Made of durable, waterproof, tearproof, long-lasting, fully opaque poly. Top-loading envelope includes button and string closure. Comes with two printed routing sheets. 10" x 15". Legal-size expanding poly interoffice envelope features a clear front pocket to hold routing sheets. It expands up to 1" for extra capacity. Envelope is made of durable, waterproof, tearproof, long-lasting, fully opaque poly. Top-loading envelope includes button-and-string closure. Comes with two printed routing sheets. General Information Manufacturer:Winnable Enterprise Co. Ltd.Manufacturer Part Number:EN-12DBManufacturer Website Address:http://www.winnable.comBrand Name:WinnableProduct Name:Poly Interoffice EnvelopeMarketing Information:Legal-size expanding poly interoffice envelope features a clear front pocket to hold routing sheets. It expands up to 1" for extra capacity. Envelope is made of durable, waterproof, tearproof, long-lasting, fully opaque poly. Top-loading envelope includes button-and-string closure. Comes with two printed routing sheets. Packaged Quantity:1 EachProduct Type:Envelope Product Information Mailer/Envelope Type:BusinessMailer/Envelope Width:10" (254 mm)Mailer/Envelope Length:15" (381 mm)Mailer/Envelope Gusset:1" (25.40 mm)Closure Type:String/ButtonClosure Side:Open TopFeatures: Water Proof Tear Resistance Expandable Durable Physical Characteristics Product Color:Dark BlueProduct Material:Poly Miscellaneous Package Contents: Poly Interoffice Envelope 2 x Printed Routing Sheets Recycled:NoAssembly Required:NoCountry of Origin:China Product Numbers: EN-12-DB 065479098262 WNN09826 791624 WNNEN-12DB WNNEN12DB