Extra-large, open-end expansion envelopes are specially designed to expand up to 1"" to accommodate bulky mailings. Center seam design provides extra strength for secure deliveries. 32 lb., natural Kraft stock prevents your private items from showing through. Envelopes are perfect for statements, invoices, small items and more.

Catalog envelope features a gummed flap to create a quick permanent seal with moisture. Wide opening allows you to easily insert and retrieve items. 24 lb. offers a sturdy feel to keep items securely contained. Envelope is perfect for pamphlets, brochures, reports, catalogs and more.

Heavy-duty storage boxes feature a liftoff lid for easy access to letter-size or legal-size files. Use hand holes to move and carry. Boxes are made of sturdy corrugated cardboard and have a 650 lb. stacking strength. Each box contains a high percentage of recycled material.