MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black
MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black

MATEIN 40–45L Expandable Carry-On Travel Backpack with Convertible Carry – Airline Approved – Black

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Enjoy free shipping on orders over $29.99. A flat $4.99 shipping fee applies to smaller orders.

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Shipping & Return  

Returns Policy

Most new and unopened items qualify for returns within 30 days of delivery.

Eligible return shipping costs are covered by us. Certain items, including custom products, limited editions, hygiene-sensitive items, oversized items, and final sale products, may not be eligible for return.

Refund Timeline

Most refunds are completed within 5–7 business days after the returned item is received and inspected.

This timeline may include:

  • 5–10 business days for return transit
  • 3–5 business days for inspection and processing
  • 5–10 business days for your bank to finalize the refund

How to Return an Item

To start a return, please visit your account and go to your order history. Once your request is submitted, you will receive an update by email after the return is reviewed and processed.

Shipping Information

We currently ship within the United States.

Free shipping is available on orders of $29.99 or more. Orders below $29.99 are subject to a flat $4.99 shipping fee.

Orders are typically processed within 1–2 business days. Estimated delivery times shown on product pages reflect both processing time and transit time.

Minor delays may occur due to carrier or weather conditions.

Why Customers Choose PulinGO

Carefully Selected Products
Carefully Selected Products
Curated for quality, value, and everyday practicality.
Fast & Reliable Delivery
Fast & Reliable Delivery
Tracked shipping across the U.S. with clear delivery estimates.
Real Customer Support
Real Customer Support
Helpful human support before and after your purchase.

🧳 Big capacity without the bulk.
Built for travelers who need room without sacrificing mobility, this expandable backpack opens up to 45L to handle packing cubes, outfits, camera gear, and weekend essentials. In standard mode, it stays within carry-on limits for many airlines—ideal for short vacations, city breaks, and business travel.

📦 Expandable when plans change.
A smooth expansion zipper unlocks extra space only when you need it, keeping the profile compact for daily carry. Inside, compression straps stabilize clothing and reduce shifting, so your load stays neat from departure to arrival.

🔄 Convertible carry for real travel days.
Hideaway padded shoulder straps tuck neatly into a zippered back panel, transforming the backpack into a briefcase-style carry or duffle. Two padded grab handles (top and side) make overhead-bin handling easy, while the rear luggage strap secures the bag to rolling suitcases during airport transfers or cruises.

🎒 Lightweight comfort, built to last.
At just 2.2 lb, breathable air-mesh padding and adjustable straps keep long days comfortable. Four external compression straps reduce zipper stress and add stability. Crafted from water-resistant, lightweight polyester with sturdy, lockable zipper heads, this backpack is ready for varied climates and frequent trips. Pack more when you need it—travel lighter when you don’t.