From the manufacturer: Bankers Box STOR/FILE - 24" Legal Storage Boxes: String & button closure keeps contents secure even if box is overturned. FastFold quick and easy assembly. Medium-duty stacking strength for use with or without shelving. Plastic handle for easy access to records. Product Features: String & Button Closure: String & Button closure keeps contents secure, even if box is overturned. FastFold: Quick and easy assembly. For use with our without shelving. Plastic Handle: Reinforced plastic handle makes it easy to pull box off shelving. Product Description: String & button closure keeps contents secure even if box is overturned. Fast Fold quick and easy assembly. Medium-duty stacking strength for use with or without shelving. Plastic handle for easy access to records. String & button closure keeps contents secure even if box is overturned FastFold quick and easy assembly Medium-duty stacking strength for use with or without shelving Plastic handle for easy access to records