Letter Size String & Button Closure File Storage Boxes (Box of 12) Top flaps overlap and are secured by heavy-duty ties wrapped around plastic eyelets Made from 250# white corrugated material Pre-printed write-on panel on two sides to easily identify contents Stacks up to 5 high Designed to hold 24" of letter sized files Inside dimensions L x W x D: 24" x 12" x 10-1/4" 12 per box
