This is the Ulanzi BP10, a full-featured, multi-functional camera backpack. It has an incredible amount of storage space, making it perfect for day trips, overnight stays, or even family vacations. True to Ulanzi's reputation, it's well-made and designed with the user in mind, paying attention to the details. The multi-pocket storage is convenient, allowing you to store plenty of spare batteries and small items. You can also store a travel tripod in the side pockets and the bottom, and you can directly access the inside from the other side pocket. The internal dividers use Velcro, so you can customize the space to your liking. The inner space can also accommodate a tablet or laptop. And the best feature is that it can expand from 25 liters to 35 liters. The 35-liter backpack has a huge capacity and can store a gimbal in addition to clothes. The chest strap and removable waist belt help reduce shoulder strain. It also has high waterproof performance. Overall, this is a serious camera backpack, and it's hard to find a backpack this convenient. I bought it new and used it a few times, but it was a bit overkill for my needs, so I'm selling it to someone who will appreciate it.