[header] How to pack with packing cubes [title] Measure your luggage before you purchase a packing cube. [step] Use a tape measure to take the dimensions of your luggage. It's easy to estimate the size incorrectly and end up with packing cubes that are wider than your suitcase. 
To avoid this, always make sure to check the packing cubes' dimensions and compare with your luggage before purchasing. [title] Use smaller cubes for toiletries and accessories.