MATERIAL: Backpack insert organizer bag is made of high-quality felt material. Soft and durable, Lightweight and well constructed to keep the backpack upright. Easy to clean and store. Cleverly foldable design makes it easy to store without taking up too much space DIMENSIONS (L x W x H): Small: 7.9"x 4.3"x 10.6"; Medium: 9"x 4.5"x 12.2"; Large: 10.6"x 5.1"x 14.2". Ideal for backpacks, shoulder bags, rucksack, travel Bags and schoolbags, especially useful for single compartment backpacks LARGE CAPACITY: 8 pockets in total, 5 slot pockets and 2 side-mounted rubber bands (for umbrella or kettle to prevent leakage), 2 large zip pockets for storing receipts and important file. You can switch your backpack in ONE SECOND without having to reorganize! Smoke-free home Never used-No tags