40x30x20cm Travel Bag, Expandable Carry on Travel Backpack

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Product Overview

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The COSCOOA Travel Bag is a versatile, airline-approved carry-on backpack designed for travelers seeking convenience, comfort, and smart organization. With dimensions of 40x30x20cm before expansion (expanding to 40x30x25cm), this backpack offers a capacity range of 30–35L, making it ideal for short trips lasting three to five days. It meets the size requirements of major airlines such as Ryanair, United Airlines, and Frontier Airlines, ensuring smooth travel without gate-check fees. Built with durability and practicality in mind, this personal item bag functions equally well as a daily commuter backpack or a compact travel companion.

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Key Features

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• Airline Approved Design: Meets personal item restrictions for major carriers, allowing you to bring it onboard without additional baggage fees.

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• Expandable Capacity: Expands from 30L to 35L by increasing depth from 20cm to 25cm, providing extra space when needed while maintaining compact dimensions during storage.

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• Dedicated Laptop Compartment: Includes an independent pocket designed specifically to securely hold a 15.6-inch laptop, protecting your device during transit.

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• Shoe and Wet Item Separation: Features both a bottom shoe compartment and a top wet pocket—ideal for separating damp items like swimwear or toiletries from dry belongings.

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• USB Charging Port: Integrates a USB charging port that connects to a power bank inside the bag, enabling convenient phone charging on the go (power bank not included).

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• Comfortable Carry System: Equipped with widened and thickened sponge shoulder straps for improved breathability and reduced strain during extended wear.

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• Multi-Functional Use: Can be used as a carry-on sleeve over suitcase handles, doubling as a luggage strap for effortless mobility.

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• Quick-Access Pockets: Front panel includes multiple pockets—two quick-access side pouches and one elastic side pocket—for frequently used items like passports, snacks, or water bottles.

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Technical Specifications

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• Dimensions (unexpanded): 40 x 30 x 20 cm (16 x 12 x 8 inches)

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• Dimensions (expanded): 40 x 30 x 25 cm (16 x 12 x 10 inches)

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• Capacity: 30L to 35L (expandable)

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• Compatible laptop size: Up to 15.6 inches

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• Material: High-quality fabric (implied by ‘sturdy and stylish’ construction)

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• Weight: Lightweight design suitable for frequent carry

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• Shoulder straps: Wide, thickened sponge padding

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• Charging port: External USB port requiring internal power bank connection

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• Airlines approved: Compatible with Ryanair, United Airlines, Frontier Airlines

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Benefits & Use Cases

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This backpack is ideal for travelers who value space efficiency without sacrificing functionality. Its expandable design allows you to pack lightly initially and add items as needed, perfect for spontaneous trips or variable packing demands. The dedicated shoe compartment keeps footwear separate from clothing and electronics, reducing odor transfer and maintaining cleanliness. The wet pocket provides secure storage for damp towels, swimsuits, or wet toiletries, keeping them contained and preventing leaks inside other compartments.

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Suitable for business travelers, college students, weekend adventurers, and international tourists, this bag adapts to various lifestyles. The inclusion of a chest buckle enhances stability during movement, preventing the backpack from sliding off shoulders on crowded flights or public transport. As a carry-on alternative, it also works seamlessly as a luggage sleeve attachment, streamlining navigation through airports with rolling suitcases.

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Whether used for daily commutes, day hikes, camping excursions, or international journeys, this backpack balances form and function. Its neutral style and durable materials ensure it remains a reliable accessory across multiple settings.

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Important Notes

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• The USB charging feature requires users to provide their own portable power bank—it does not include one.

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• Not recommended for children aged 12 years old and under.

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• The main compartment uses a flip-top design for easy access but may require adjustment based on how tightly packed items are stored.

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• While designed to fit most standard carry-on policies, always verify current airline regulations before travel.

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• Package contents typically include only the backpack; accessories like chargers or dividers are not specified as included.

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