R4497 Tyvek #110 12'' x 16'' x 4'' White Expansion Mailer, 50PK

Seal and send your important business documents in this Survivor R4497 Tyvek #110 12'' x 16'' x 4'' white expansion mailer with Flap-Stick self-adhesive seal. Featuring 18# paper weight and a center seam construction this sturdy envelope is perfect for holding a variety of important documents. A Flap-Stick self-adhesive peel strip seals quickly without the need for moisture making sure the contents are secure. The windowless design provides plenty of space for writing labeling or printing on the front of the mailer.Capable of expanding up to 4'' this envelope offers ample room for all types of documents from catalogs to magazines. Plus it's a great way send paperwork that can't be bent or folded. Use this versatile #110 trade size envelope when sending professional mail from your business!Overall Dimensions:Length: 16''Width: 12''Expansion: 4''