Full Disclosure: I received products free of charge for the purpose of providing a review. My opinions are completely my own based on my experience. I can't praise packing cubes enough. The uses are endless. And the Dot&Dot Small Packing cube is amazing. The size is perfect for so many things. Being a runner, I use the Dot&Dot Small packing cube for my running gadgets (watches, ID, fuel, fuel belt {small one minus the bottles}, anti-chafe, lights, headband, compression sleeves etc. I think you get the picture.). That way I can have all of my running gear together inside my bag when I'm traveling. If I'm going to an out-of-town race, this is perfect to be able to have all of my running gear, even my race outfit if it's warm weather, all in one place inside my bag. The packing cube isn't super large, so if you have several layers of clothes, it might not all fit. But it is perfect at least for all of my running gadgets /fuel to make sure that I have