This backpack, weighing just 0.35 pounds, is exceptionally lightweight. When folded down to the size of your hand, it can even fit in your pocket for effortless carrying. Crafted from waterproof nylon, it serves as an outstanding men’s waterproof backpack, effectively shielding your belongings from rain and resisting tears from rocks and branches, ensuring durability. Surprisingly, this compact women’s travel bag boasts a 20L capacity, accommodating clothes, shoes, umbrellas, and daily essentials with ease. The storage bag not only holds the folded backpack but also doubles as a cup holder during use, optimizing space utilization. This versatile backpack transforms seamlessly into a travel, cycling, weekend, or day pack, offering comfort and breathability.