Product details:
The 11 inch x 13-1/2 inch Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Rigid chipboard construction protects contents from bending and crushing. Economical locking tabs secure contents. Attractive white mailers provide a clean and professional appearance. Lightweight mailers reduces postage costs. Manufactured from .028 white chipboard. Light-weight to save on postage, no additional stiffeners needed. Economical tab-lock closure. Sold as 100/Carton.