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Oiwas 20.3L Waterproof Laptop Backpack Black– your ultimate companion for travel, work, and school. This high-capacity backpack is meticulously crafted from premium waterproof nylon, ensuring your belongings stay safe and dry, no matter the weather.

Spacious Design: With a capacity of 20.3L, easily fit your 15.6-inch laptop, books, and essentials.
Comfort First: Equipped with impact-absorbing ergonomic straps and a soft handle for maximum comfort.
Organizational Excellence: Features multiple compartments, including a digital compartment, phone pockets, key chain holder, and more.
Travel Ready: The luggage strap allows for convenient attachment to your suitcase, making it ideal for travel.
Durable and Stylish: The sleek black design is perfect for any occasion, from professional settings to casual outings.

Embrace the perfect combination of style, durability, and functionality with the Oiwas 20.3L Waterproof Laptop Backpack Black. Elevate your daily commute and travel experiences today!

Specifications:

Material: Nylon
Weight: 0.77kg
Capacity: 20.3L
Color: Black
Size: 45cm x 15cm x 30cm

Internal padding
Lightweight
Waterproof

Nylon

Laptop compartment
Removable pouch
Built in compartments
External pockets
Keychain holder
Protective sleeves

Backpack strap
Handle
Trolley sleeve

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.

Product DescriptionWhat you're carrying, in a nutshell

Oiwas 20.3L Waterproof Laptop Backpack Black– your ultimate companion for travel, work, and school. This high-capacity backpack is meticulously crafted from premium waterproof nylon, ensuring your belongings stay safe and dry, no matter the weather.

Spacious Design: With a capacity of 20.3L, easily fit your 15.6-inch laptop, books, and essentials.
Comfort First: Equipped with impact-absorbing ergonomic straps and a soft handle for maximum comfort.
Organizational Excellence: Features multiple compartments, including a digital compartment, phone pockets, key chain holder, and more.
Travel Ready: The luggage strap allows for convenient attachment to your suitcase, making it ideal for travel.
Durable and Stylish: The sleek black design is perfect for any occasion, from professional settings to casual outings.

Embrace the perfect combination of style, durability, and functionality with the Oiwas 20.3L Waterproof Laptop Backpack Black. Elevate your daily commute and travel experiences today!

Specifications:

Material: Nylon
Weight: 0.77kg
Capacity: 20.3L
Color: Black
Size: 45cm x 15cm x 30cm

Details About The ProductDesigned to protect and organise

Internal padding
Lightweight
Waterproof

Nylon

Laptop compartment
Removable pouch
Built in compartments
External pockets
Keychain holder
Protective sleeves

Backpack strap
Handle
Trolley sleeve

Shipping & DeliveryFast, tracked dispatch

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 Purchase From UsShop with confidence

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 PrivacyYour data stays yours

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.

Customer SupportWe are here to help you

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.

Oiwas 20.3L Waterproof Laptop Backpack Black

€63,99 €79,99 Save 20%

Taxes included. Shipping calculated at checkout.

Michelle and 758 people purchased

Oiwas 20.3L Waterproof Laptop Backpack Black– your ultimate companion for travel, work, and school. This high-capacity backpack is meticulously crafted from premium waterproof nylon, ensuring your belongings stay safe and dry, no matter the weather.

Spacious Design: With a capacity of 20.3L, easily fit your 15.6-inch laptop, books, and essentials.
Comfort First: Equipped with impact-absorbing ergonomic straps and a soft handle for maximum comfort.
Organizational Excellence: Features multiple compartments, including a digital compartment, phone pockets, key chain holder, and more.
Travel Ready: The luggage strap allows for convenient attachment to your suitcase, making it ideal for travel.
Durable and Stylish: The sleek black design is perfect for any occasion, from professional settings to casual outings.

Embrace the perfect combination of style, durability, and functionality with the Oiwas 20.3L Waterproof Laptop Backpack Black. Elevate your daily commute and travel experiences today!

Specifications:

Material: Nylon
Weight: 0.77kg
Capacity: 20.3L
Color: Black
Size: 45cm x 15cm x 30cm

Buy More, Save More

We want you to love your Bolsnik. If something isn't right, tell us within 30 days and we'll make it right — repair, replace or refund.

Orders are dispatched within 3–7 business days with fully tracked delivery. Times vary by destination, and you'll get a tracking link as soon as it ships.

Our bags are made with carefully selected materials and trusted partners — built to survive daily commutes, travel and years of use, at a fair price.

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.

Nylon

Laptop compartment
Removable pouch
Built in compartments
External pockets
Keychain holder
Protective sleeves

Internal padding
Lightweight
Waterproof

Backpack strap
Handle
Trolley sleeve

Specifications coming soon.

Fast, fully tracked delivery worldwide with free shipping on every order, plus a tracking link the moment your order leaves us.

Materials & BuildHonest materials, made to last

Nylon

Smart OrganisationA place for everything

Laptop compartment
Removable pouch
Built in compartments
External pockets
Keychain holder
Protective sleeves

Laptop ProtectionYour tech, shielded

Internal padding
Lightweight
Waterproof

Comfort & CarryBuilt for long days

Backpack strap
Handle
Trolley sleeve

Care & WarrantyCarry with confidence

Specifications coming soon.

Ships WorldwideFree Worldwide Shipping

Fast, fully tracked delivery worldwide with free shipping on every order, plus a tracking link the moment your order leaves us.

built to last

From 4,500+ verified reviews:

0

87% say their Bolsnik survived a full year of daily commute — and still looks new.

0

Said the laptop sleeve fit their machine first try — no extra padding needed.

0

Said it's their go-to bag for both the office and weekend travel.

*Based on verified customer reviews collected 2025–2026 (n=327 with 12+ months of use). Individual results vary by use case.

Find Your Bolsnik Today

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.

Grab Yours Before It’s Gone

New arrivals

The latest Bolsnik drops — built for work, travel and everyday carry. Shop your favourites before they’re gone.

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Carry the Year.

Padded laptop sleeves. Ballistic nylon. Weatherproof zippers. Engineered to survive twelve months of daily classroom-to-commute carry — and still look new at graduation.

Shop the collection

Frequently asked questions

Bags built for work, travel and everyday carry. Premium materials, functional design, made to last.

Please read our FAQs page to find out more.

Yes. We accept returns within 30 days of delivery. Items must be unused, unworn, with tags attached, and in their original packaging.

Yes. Many models include padded laptop compartments designed for work, travel, or school use. Compatible laptop sizes are listed on each product page.

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