Poso PS-656 Premium Water-Resistant 180° Expandable Up to 17.3″ Laptop Backpack , Multilayer Built-in Compartments With Molnia Protection, USB Port, Reliable and Ultra-Organized 39L Travel Work Bag – Black

Meet the Poso PS-656 laptop backpack—a premium, water-resistant, ultra-organized travel and work bag designed for people who carry a lot and hate clutter. With a smart 180° full-opening design and an expandable body that grows from 26L to 39L, it’s built to move smoothly from daily commuting to 5–7 day business trips—all in one reliable, black backpack.

🎒 Space, Expansion & Packing Control

This bag is engineered to pack like luggage while still wearing like a backpack.

• Expandable capacity: 26L → 39L

• Outer size (before expansion): 32 × 15 × 48 cm

• Outer size (after expansion): 32 × 24 × 48 cm

• Comparable to a 20-inch trolley case in packing volume after expansion

• 180° open-and-lay-flat main compartment for fast packing and easy access

• X-shaped internal strap to secure clothes or books and reduce shifting

💻 Laptop Protection + Multi-Layer Organization

Designed for better separation, faster access, and safer storage.

• Fits laptops up to 17.3 inches

• Dedicated laptop compartment (inner size): 31 × 43 cm

• Multi-layer built-in compartments to sort:

  • Tablet, A4 files, stationery

  • Power bank, wallet, phone accessories

  • Clothes, umbrella, water bottle

• Smooth two-way zippers across the main compartments for a better daily experience

🔌 Travel Convenience & USB Ready

Built for commuting, airports, and busy schedules.

• External USB charging port for convenient charging access (power source not included)

• Trolley strap on the back to mount securely on a suitcase handle

• Back design supports suitcase use to help reduce carrying load during travel

🛡️ Material, Comfort & Security Details

Made to handle real use while staying comfortable and secure.

• High-quality polyester construction with water-repellent and wear-resistant texture

• Breathable back design for more comfortable carry

• Widened shoulder straps with soft filling to help relieve shoulder pressure

• Wear-resistant buckle design to reduce strap slipping

• Glasses hanging strap for quick, easy access on the move

• RFID anti-theft zip pocket to help protect card information

• Inner anti-theft brush-style layer (as listed) designed to help reduce card theft risk

✅ Quick Specs

• Brand: POSO

• Model: PS-656

• Color: Black

• Weight: 1.18 kg

• Material: High-quality polyester

• Capacity: 26L (39L expanded)

• Laptop fit: Up to 17.3-inch

If you want one backpack that stays organized, expands when you need it, and supports serious travel without looking bulky, the Poso PS-656 laptop backpack is built for exactly that.