You've got small gear right? USB cables, chargers, pens, notepads, and often all ending up at the bottom of your bag. Enter the Topo Accessory bag. The micro size fits memory cards, headphones or your credit cards and cash. The small size is perfect for the real necessities on the road.The medium size is great for wrangling power blocks, small notebooks, chargers, and other larger cords. In the end, it's your stuff, organize it how you like!