These things are incredible! I had seen packing cubes on social media and thought, "why would you need those" but decided to give these a try while packing for a long vacation. Holy moly am I glad I bought these! You can basically fill them to the brim, stretch the netting side over all your clothes, and zip a TON of clothes into a small, perfect rectangle! It made it so much easier and more organized. The shoe one even fit my husband's size 15's!