Skip to product information
Have Questions? We have Answers!
Expandable Waterproof USB Laptop Backpack Black Bolsnik Combines Technology, Style, and Comfort for Those Who Demand More from Their Daily Life
Protect your gear from rain and impact, have extra space for everything you need, and charge your devices anywhere with the built-in USB port. All this with ergonomic comfort and a modern design that adapts to your routine.
- Expandable from 25L to 40L without losing comfort — keeps up with your pace (doesn’t feel heavy when full).
- Real waterproofing tested under extreme conditions — your laptop safe in any weather.
- External USB charging port function requires a power bank (not included). Connect your own power bank inside the bag, then use the external USB port to charge your devices without opening the backpack.
- Ergonomic design with padded straps to prevent back pain.
- Anti-theft compartment and smart pockets for organization and protection.
Specifications:
- Material: Oxfor with Polyester
- Capacity: 25-40 Litre
- Color: Black
- Size: 47cm x 19 (23)cm x 31cm
- Waterproof
- Anti theft
- Adjustable size
- Internal padding
- Lightweight
- Lockable
- Polyester
- External pockets
- Laptop compartment
- Built in compartments
- Single compartment
- Protective sleeves
- Backpack strap
- Handle
Shipping Details
We process all orders quickly and ship within 3–7 business days. Delivery times may vary depending on your location. Once your order has been shipped, you will receive a tracking number so you can follow your package every step of the way.
Why buy from Bolsnik
Honest materials, function-first design and bags built to outlast the trends. Fast, fully tracked delivery, easy 30-day returns and real human support — every order, every time.
Your details are encrypted and never sold. We only use your information to process your order and support you — nothing more. Read our full privacy policy anytime.
Have a question about sizing, materials, shipping, or your order? Reach our customer team any time — we usually reply within a few hours. Email us at support@bolsnik.com.
Expandable Waterproof USB Laptop Backpack Black Bolsnik Combines Technology, Style, and Comfort for Those Who Demand More from Their Daily Life
Protect your gear from rain and impact, have extra space for everything you need, and charge your devices anywhere with the built-in USB port. All this with ergonomic comfort and a modern design that adapts to your routine.
- Expandable from 25L to 40L without losing comfort — keeps up with your pace (doesn’t feel heavy when full).
- Real waterproofing tested under extreme conditions — your laptop safe in any weather.
- External USB charging port function requires a power bank (not included). Connect your own power bank inside the bag, then use the external USB port to charge your devices without opening the backpack.
- Ergonomic design with padded straps to prevent back pain.
- Anti-theft compartment and smart pockets for organization and protection.
Specifications:
- Material: Oxfor with Polyester
- Capacity: 25-40 Litre
- Color: Black
- Size: 47cm x 19 (23)cm x 31cm
- Waterproof
- Anti theft
- Adjustable size
- Internal padding
- Lightweight
- Lockable
- Polyester
- External pockets
- Laptop compartment
- Built in compartments
- Single compartment
- Protective sleeves
- Backpack strap
- Handle
Shipping Details
We process all orders quickly and ship within 3–7 business days. Delivery times may vary depending on your location. Once your order has been shipped, you will receive a tracking number so you can follow your package every step of the way.
Why buy from Bolsnik
Honest materials, function-first design and bags built to outlast the trends. Fast, fully tracked delivery, easy 30-day returns and real human support — every order, every time.
Your details are encrypted and never sold. We only use your information to process your order and support you — nothing more. Read our full privacy policy anytime.
Have a question about sizing, materials, shipping, or your order? Reach our customer team any time — we usually reply within a few hours. Email us at support@bolsnik.com.
Designed down to the last detail
Every Bolsnik is built around how you actually carry — protective, organised and ready for whatever the day throws at it.
- Polyester
- External pockets
- Laptop compartment
- Built in compartments
- Single compartment
- Protective sleeves
- Waterproof
- Anti theft
- Adjustable size
- Internal padding
- Lightweight
- Lockable
- Backpack strap
- Handle
Specifications coming soon.
Fast, fully tracked delivery worldwide with free shipping on every order, plus a tracking link the moment your order leaves us.
- Polyester
- External pockets
- Laptop compartment
- Built in compartments
- Single compartment
- Protective sleeves
- Waterproof
- Anti theft
- Adjustable size
- Internal padding
- Lightweight
- Lockable
- Backpack strap
- Handle
Specifications coming soon.
Fast, fully tracked delivery worldwide with free shipping on every order, plus a tracking link the moment your order leaves us.
Why Customers Love Bolsnik
- Modern, function-first backpacks
- Carefully selected materials
- Designed for everyday use
- Minimal, elevated design
- Trusted by a growing community worldwide
At Bolsnik, a bag is more than storage — it’s how you move, work and travel, and how you show up every day.
Thank you for being part of our journey. We’re excited to grow with you.
Slideshow
You may also like
Discover elevated design
Expandable Waterproof USB Laptop Backpack Black Bolsnik
Sale price
€69,99
Regular price
€95,99
