QUALITY PARK PRODUCTS S3715 Ship-Lite Redi-Flap Expansion Mailer, 1st Class, 10 x 13 x 1 1/2, White, 100/Box by QUALITY PARK PRODUCTS

Postage-saving, lightweight multi-layered paper mailer is significantly stronger than traditional paper designs. Moisture resistant finish protects contents from spills and inclement weather. Expansion safely accommodates bulkier documents and items. Envelope Size: 10 x 13; Envelope/Mailer Type: Expansion Mailer; Closure: Self-Adhesive; Trade Size: #97. White Sold per Box.