Liberty Max Strength Storage Box Legal 15 x 24 x 10 White/Blue 12/Carton - Maximum security box with string and button closure keeps contents secure even if box is overturned. - Up to 50% stronger than other string and button boxes for stacking without shelving. - FastFold?? quick and easy assembly. - Reinforced plastic handles make it easy to pull box off shelving. - Stock up and save! Box Type: Storage Material(s): 1 Ply Side 2 Ply Bottom 2 Ply End Strength: Heavy-Duty File Size Format: Legal.