Large Travel Backpack for Women Men, Expandable 40L Carry On Backpack, 17 Inch Laptop Backpack College Bookbag, Waterproof Travel bag as Person Item Flight Approved

Price: $37.99 - $27.99
(as of Jan 09, 2026 18:38:42 UTC – Details)

From the brand

About Sinaliy:

Sinaliy is committed to creating products which have solid quality, innovative design, practical function, and aesthetic appearance at the same time. This is what our brand has always insisted on.

Sinaliy offers you an easy trip: designed with multiple carrying options like BACKPACK, SUITCASE and BRIEFCASE style.

Click here to buy.

Travel Backpack

Travel Backpack

College Backpack

Business Backpack

EXPANDABLE & LARGE CAPACITY: This extra-large travel backpack with an expandable design gives you more packing room (Size: 17.32*12.2*6.7+1.57inch). Unzip it to get 40L of storage, easily fitting packing cubes, makeup bags, outfits, camera gear, and more. It’s ideal for men, women, weekend travelers, or anyone taking an occasional vacation, and it meets airline personal-item requirements too.
LOTS OF POCKETS & LAPTOP COMPARTMENT: The Sinaliy travel backpack for men and women has a spacious laptop compartment with thick cushioning to protect your laptop well. It offers ample storage with multiple hidden pockets, plus two toiletry bags for your hair and bath products.
WITH LUGGAGE BELT & ANTI-THEFT POCKET: The luggage belt on the back lets business travelers slide this travel backpack right onto their suitcase for easier carrying. A hidden anti-theft pocket on the lower back keeps your valuables like wallet, passport, and ID card safe from thieves when you’re traveling or waiting in line.
-LONG USING LIFE: Made of lightweight, water-resistant polyester and anti-scratch material, this Sinaliy men’s travel backpack keeps your stuff dry in light rain, while still being breathable and good at heat dissipation. Sturdy zippers and solid stitching mean this personal item backpack won’t wear out on your trips, making sure your weekend getaways are hassle-free.
– CONVERTIBLE DESIGN: The carry-on backpack has hideaway padded shoulder straps that can be stored in the zippered back panel, turning this personal item bag from a carry-on duffel into a briefcase style. Use the side handle for a more flexible carrying experience.
-PERFECT PRESENT: The Sinaliy 40L travel laptop backpack is a top gift pick for Father’s Day, birthdays, Valentine’s Day, Thanksgiving, Christmas, and New Year. It’s great for gifting to your father, boyfriend, husband, son, friends, and more—perfect for anyone who travels, commutes, does business, hikes, or camps.

Large Travel Backpack for Women & Men

Looking for a backpack that can keep up with you This large travel backpack is perfect for women and men who are always on the move Sturdy, waterproof, and spacious, it protects your gear from rain, spills, or those little travel accidents we all know happen.

Why This Backpack Rocks

• Large and spacious: Packs enough for a few days without squeezing everything
• Waterproof material: Protects your belongings when the weather does not cooperate
• Smart compartments: Laptops, chargers, passports-they all have a space
• Comfy straps: Feel light even when running through airports and metropolitan streets
• Carry-on friendly: Complies with airline regulations, eliminating unnecessary baggage stress

Ready to buy waterproof travel bag online Travel more comfortably, remain dry, and enjoy the ride without worrying about your gear.

FAQs

Is this backpack truly waterproof?

Yes! The material keeps your gear safe from rain, spills, and random puddles—you can even brave a light drizzle without worry.

Can it fit a laptop and travel documents?

Absolutely. Multiple compartments mean your laptop, chargers, and passports each have a cozy spot.

How heavy is it when empty?

Surprisingly light. You barely notice it on your shoulders, even while running through airports or sightseeing.

Is it suitable for both men and women?

Yes, it’s designed with a universal fit that feels comfortable for anyone.

Can I use it as a carry-on?

Totally. Its size meets most airline carry-on rules so you avoid extra baggage fees.