Minimalist organization bag. Cord hook loops serve as a counter pull for easy opening and closing. Two strap pass-throughs for external attachment to Peak Design bags. Can be completely flattened and rolled up for storage. Terra Shell 50D material is extremely weather-resistant and durable. Weatherproof coatings on the front and back as well as sealed seams. Weatherproof #5 UltraZip is built for decades of use. This packing cube is designed to provide you with total organizational bliss for all the little things you travel with, whether you're heading into the wilderness for a week, visiting family for the weekend, or simply managing your everyday life. This ultralight packing cube is stripped down to the essentials: a single volume with a single zipper for access.