Comparison : Item # 444W,

4" x 4" x 4"
White Corrugated Boxes
Item # 555W,

5" x 5" x 5"
White Corrugated Boxes
Item # 666W,
6" x 6" x 6"
White Corrugated Boxes
Item # 886W,
8" x 8" x 6"
White Corrugated Boxes
Item # 888W,
8" x 8" x 8"
White Corrugated Boxes