Multifunctional waterproof backpack pouch with waterproof sunglasses water bottle and smartphone pouch for and other outdoor activities zipper,

"Easily attaches to your backpack": With a carabiner and a large flap Velcro closure, it can be quickly attached and detached from your bag. It stays in place without dangling or slipping, allowing you to easily access your essentials with one hand, making it super comfortable. "Versatile Uses": The inside of the pouch is made of brushed material, and it has an inner pocket and is tall enough to be used as a smartphone pouch, water bottle holder, sunglasses case, or small item holder for keys, pens, etc. Keep your essentials close at hand and eliminate the stress of having to take off your backpack every time. "Zipper stopper design": The bottom of the pouch has a stopper to prevent it from accidentally opening all the way. You can open the zipper without looking, but without letting anything fall out. It opens and closes smoothly with one hand. "Dyneema blend & highly water-repellent fabric": Made with Dyneema blend, which is more tear-resistant than nylon, it achieves high water repellency of PU2400MM, and the waterproof zipper makes it a backpack pouch that can withstand sudden light rain. "Easy-to-Attach": This lightweight backpack pouch weighs just 75g and is easy to carry. It can be used as a waist pouch or attached to a bicycle. It can be used in a variety of ways, not just for hiking, but also for cycling, everyday use, and more. A hiking pouch that can be attached to a backpack for quick access to small items such as smartphones