Bankers Box SmoothMove 14 Box Kit includes 8 Medium and 6 Large size boxes. Assembled Medium Box measures: 18"x15"x14". Assembled Large Box measures 21"x17"x17". Put away the masking tape that falls apart under pressure. You dont want your items and valuables to break when moving. Easy set-up-no tape required for box assembly. Convenient lift-off lid. Easy carry handles. The Bankers Box SmoothMove boxes works great for storing office materials and all moving purposes. Constructed from strong 32 ECT B-Flute Kraft corrugated board.