Features:_x000D_ 1. High quality nylon material, soft, comfortable and durable._x000D_ 2. Mesh zipper pouch, with toughness, not easy to damage items._x000D_ 3. Manual sewing hook design, sturdy and durable, can be hung up._x000D_ 4. Side button design, can be adjusted according to the size of the backpack._x000D_ 5. Metal key chain, security against the lost, convenient to use._x000D_ _x000D_ Specification:_x000D_ Item Type: Backpack Insert_x000D_ Material: Nylon_x000D_ Color: Black_x000D_ Weight: Approx. 140g / 4.9oz_x000D_ _x000D_ Package list:_x000D_ 1 * Backpack Insert 1High quality nylon material, soft, comfortable and durable. 2Mesh zipper pouch, with toughness, not easy to damage items. 3Manual sewing hook design, sturdy and durable, can be hung up. 4Side button design, can be adjusted according to the size of the backpack. 5Metal key chain, security against the lost, convenient to use.