• Fits laptops up to 15.6″–17″ (compare alptop with bag size)
• Extendable 3'' approx
  
• Spacious 30-L capacity for daily & travel use
• Waterproof polyester material – durable & tear-resistant
• Size: 47 × 31 × 18 cm (18.5 × 12.2 × 7 inches) expenadable 3 inch approx
• USB charging port for mobile & tablet convenience
• Multiple compartments:
• 1 main large compartment
• 1 front organizer pocket
• 1 front pocket
• Side pockets for bottle/accessories
• Ergonomic design: fully padded mesh back for airflow & comfort
• Adjustable sternum straps for better weight balance
• Trolley strap for easy travel with luggage
• Strong zippers with metal pullers (BaLang branding)
• Reinforced stitching & durable back straps
• Ideal for school, college, office, travel & daily use

Description

The BALANG Expendable Laptop Backpack is designed for modern everyday life—whether you're heading to university, office, or traveling. Built with high-quality waterproof polyester, this backpack ensures your essentials stay protected in all conditions while offering long-lasting durability.

With a generous 30L capacity, it easily fits your laptop (up to 17”), books, gadgets, and daily accessories. The multi-compartment layout keeps everything organized, while the built-in USB port lets you charge your devices on the go.

Comfort is a priority with its fully padded breathable mesh back panel and adjustable sternum straps, reducing strain during long hours of wear. The trolley strap adds travel convenience, making it a perfect companion for business trips and daily commutes.

Stylish, practical, and reliable — this backpack suits students, professionals, and travelers alike.