This ultralight foldable waterproof backpack is a versatile companion for outdoor enthusiasts. When unfolded, it measures 16″x9.4″x6.3″, offering a spacious 20L capacity. Once folded, it shrinks to a mere 4.7″x2.8″x2.8″, easily fitting into your pocket or bag for on-the-go convenience. Weighing just 85g, it’s effortless to carry. Despite its lightweight design, the material is remarkably tear-resistant, ensuring longevity. The adjustable shoulder straps, padded with mesh sponge, provide comfort and alleviate pressure during extended wear. Additionally, its water-resistant properties keep your belongings safe from moisture. Whether you’re hiking, traveling, camping, or mountaineering, this backpack is designed to meet your needs with durability and practicality in mind.