Laptop Backpack Expandable Waterproof Fits 17.3-Inch
High Quality
Free US Shipping
Hassle Free Returns
Flexible storage and reliable protection solved effortlessly
Adjustable capacity for various load sizes — expands from 22 L (≈5.8 US gal) to 37 L (≈9.8 US gal) without bulky extra bags, waterproof fabric excludes rain risks
Why is this Expandable 17.3-Inch Waterproof Laptop Backpack perfect for you?
✔ Expandable capacity up to 37 L: This backpack adapts from a compact 22 L (≈5.8 US gal) to a spacious 37 L (≈9.8 US gal) volume by adding 10 cm (≈3.94 in) depth, ideal for sudden extra storage needs without requiring a second bag.
✔ Protection for laptops up to 17.3 inches: Equipped with a padded main compartment, the backpack safely cushions laptops and prevents damage from bumps or scratches during daily commutes.
✔ Waterproof and organized design: Constructed with waterproof fabric to protect electronics and documents from rain and moisture, while multiple compartments maintain organized storage for gadgets and personal items.
Specifications
Capacity: 22 L (≈5.8 US gal) - 37 L (≈9.8 US gal) expandable
Laptop Compartment Size Compatibility: Up to 17.3 inches
Expansion Depth: 10 cm (≈3.94 in) additional depth
Material: Waterproof fabric
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.