This bag has two versions: normal size: 35L: ks3264w & expand size45L: ks3264-B
The difference:
| Normal Size | Expand Size | |
| SKU | ks3264w | ks3264-B |
| size | 35L | 45L |
| TSA Lock | No | Yes |
| Back Hidden Pocket | No | Yes |
| Chest Buckle | Yes | Yes |
| Fireproof Document Bag | No | Yes |
| Toiletry Bag | No | Yes |
| Clothing Storage Bag | No | Yes |
| Expandable | No | Yes |
| USB Charging | No | Yes |
| Water Bottle Pocket | Yes | No |
| Front Pocket | Yes | No |
| Front of Main Compartment | Yes | No |
