The ACPRO2000 is the largest of this Ape Case Pro line. Perfect for any situation that requires lots of equipment fast. Whether you are photographing an event with multiple pieces, storing equipment to-and-from a longer trip, or need a lot padded protection for more fragile tools, this pack is great! Just like any Ape Case it's yellow on the inside, black on the outside and tough all over! Superior quality as this backpack is made with a tough water-resistant nylon exterior. It also comes with a built-in, rain cover that opens easily. This is perfect if you're working on location and caught in a storm. Well-padded to hold fragile equipment such cameras, lenses, tools, laptops and tablets up to 16 inches, breakable items, or any portable device that fits within the interior dimensions. It is perfect for moving items to-and-from trade shows as well! An adjustable harness system allows the bag to be tailored to your body, and the sternum strap keeps you balanced while walking. Inside, there are multiple movable Hi-Vis Yellow dividers that can be configured to fit your gear, and help illuminate the interior when in low light. This makes finding smaller items such as memory cards and batteries a lot easier. Perfect for when storing lots of little things!