LIGHTWEIGHT: Made of Felt cloth. Neat stitches & reinforced bindings effectively extend the service life of this backpack organizer insert. FUNCTIONAL: Pockets of different sizes that are ideal for electronics accessories, bottles, umbrella, cosmetics, personal care items to fit inside. A zipper bag in the middle that can be used for storing receipts. STURDY & CONVENIENT: The backpack organiser fits down inside the backpack and just tipping it won't cause stuffs to fall out. The back handle helps to put in and get off from your backpack easily. NOT MACHINE WASHABLE & DO NOT WRING: We suggest you using a wet cloth to wipe clean or lightly soak in the sink then lay flat to dry. DIMENSIONS: 28 CM x 13 CM x 35.5 CM ( big enough for A4 paper ). It fits perfectly in the backpack and allows you to maximize its capacity to fit stuff. Especially useful for single compartment backpacks.