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【Size and Multipurpose】 50 x 34 x 16cm, can be used as stylish college backpack for students, weekend adventure backpack, urban commuting backpack, beach vacation backpack, mountain climbing backpack for various scenarios.can be used as professional business backpack men, international travel work, night camping backpack, Hiking backpack for indoor/outdoor activities. backpack school bag travel backpack work backpack large backpack bag backpacks for school book bags travel backpack for men heavy duty backpack  black jansport backpack backpack for college travel  backpack for boys small travel backpack 

【Suitable for Travel】 The travel backpack carry-on size features a smart strap on the back, allowing it to be securely placed on a trolley or suitcase, ideal for travel and regular outings. Comes with a USB charging port for on-the-go charging. The detachable data cable simplifies cleaning and cable replacement. (without power bag). 

【Unique Design】 bag compartment: 43*29.5cm, effectively isolates the bag, perfectly accommodating 15-17.3 inch bag. Moreover, the backpack is roomy enough for your daily essentials and technological and electronic gadgets. The front compartment offers numerous pockets to keep your items neatly arranged and readily accessible.

【Durable and Convenient】 This backpack is crafted from high-quality lightweight nylon and enhanced lining fabric, resistant to tears, scratches, and wear. The shoulder straps are padded with thick, breathable foam, and the ergonomic airflow back system and added cushioning offer excellent back support and minimize strain during movement. 

【Waterproof and Explosion-proof Zipper】 This waterproof backpack safeguards your belongings from moisture and rain. The trendy explosion-proof zipper glides smoothly, closes and opens effortlessly, and remains durable even after prolonged use.