Airline approved carry-on backpack with practical size and capacity - Dimensions 18.5 x 12.2 x 10.23 inches; maximum capacity 40L. Meets standard requirements for most major airlines and fits in the overhead bin or under the seat. Easy access and efficient design - Straight opening design helps you access belongings quickly during security checks and packing. All-in-one travel companion - Ideal for weekend trips, business trips, hiking, camping and more. A versatile option for various travel needs. Smart organization to keep you on track - Includes two-piece clothing storage bag and a shoe bag. Different bag sizes help you pack clothes more neatly and access items faster. Shoe bag versatility - The shoe bag fits 1-2 pairs of shoes and can also be used as a laundry bag when needed. Expandable capacity for changing plans - Expands from 25L to 40L, allowing you to carry 3-5 days of clothing when required. A built-in elastic strap in the back panel compresses clothes, prevents shifting, maximizes the usable space, and effectively adds up to 10% extra capacity. Comfort and ergonomic support - Thick, soft padded breathable back panel combined with effective back support helps reduce strain. An adjustable chest strap adds stability for comfortable all-day carrying. Durable protection for your gear - Laptop backpack constructed from durable polyester to help protect your belongings during travel and daily use. Versatile and stylish - A clean, modern look suitable as a university backpack, travel backpack, laptop backpack, school bag, or work backpack. An airline-approved carry-on that works with overhead bins and under seats for weekend trips, business trips, and general travel. Perfect for daily life and gifting - Suitable for university, work, everyday use, outdoor activities, and makes a thoughtful gift for friends, family, or special occasions.