Bankers Box Liberty Plus Heavy-Duty Storage Boxes, Letter, 12 Pack (11111)
Includes a 3" seal that protects stored files from dust and dirt. Maximum security box with string & button closure keeps contents secure, even when box is overturned. Up to 50% stronger than other string & button boxes for stacking without shelving. FastFold® quick and easy assembly. Reinforced plastic handle makes it easy to pull box off shelving. Ensures flat top for stable stacking.