When you use the Catalyst Waterproof Backpack Portable 20L Bag, you can take your devices on any adventure with you. This 20-liter backpack has enough room for all your essentials. You can fit a laptop, a change of clothes, and your toiletries. So whether you’re going on a backpacking overnight or a hike to a waterfall, this is your go-to waterproof backpack. Plus, this hiking backpack can become super compact and fit into a carry pouch, which is practically pocket sized. You may need to put on the clothes you were carrying in the pack. You can then squish it down and put it in your back pocket. Additionally, this nylon backpack is water resistant and durable, so it’s okay if it scrapes against some rocks or branches while you’re adventuring. And even if a rainstorm catches you by surprise, your electronics will stay safely dry.