- Heavy duty storage box featuring ergonomic handles that are angled to help reduce strain on wrist when lifting - Box features triple layers of board end panels and double to sides and base for maximum stacking strength - Reinforced handles and lock-in lid make box comfortable to carry - FastFold® automatic assembly - Compatible with A4 or folio transfer files, ring binders or lever arch files. - Security hole for optional use with cable ties (ties not included) - Made from FSC® certified 100% recycled board, 100% recyclable