1. A portable storage bag designed specifically for 548 Power Bank model; 2. Made of 900D twill nylon + pearl cotton + short-pile plush material, sturdy and , with a better interior protection for the power bank to reduce wear and tear; 3. Three-sided large-opening zipper design makes it easier to put the power bank inside the storage bag; 4. Double pocket design; the front pocket is convenient for storing charging cables, charging plugs, and other small items; 5. Equipped with an adjustable metal shoulder strap, convenient for crossbody or shoulder carrying, making it more convenient to carry when . Color: Black Material: Nylon Package Contents: 1* Storage Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.