| Specification | Details |
| Material | Nylon, Polyester, Canvas, Leather, PVC |
| Dimensions | 15 x 10 x 5 inches, 20 x 12 x 8 inches |
| Weight | 300g - 2kg |
| Capacity | 15L - 50L |
| Color | Black, Grey, Blue, Red, Green, etc. |
| Strap Type | Padded shoulder straps, Adjustable |
| Laptop Compartment | Yes/No (Padded for protection) |
| External Pockets | Front zip pockets, Side mesh pockets |
| Internal Organization | Multiple compartments, Pen holder, Card holder |
| Closure Type | Zipper, Drawstring, Buckle |
| Water Resistance | Water-resistant, Waterproof (select models) |
| Ventilation | Air mesh back panel for airflow |
| Style | Casual, Travel, School, Hiking, Business |
| Durability | High (depending on material, e.g., nylon, leather) |
| Adjustable Fit | Yes (adjustable straps, chest straps) |
| Reflective Features | Yes (for visibility in low light) |