Amazon.com: MATEIN Extra Large Laptop Backpack for Women, 50 L TSA OUTWALK Large Capacity Travel Backpack 17 Laptop Bag for Man Waterproof Amazon.com: Travel Laptop Backpack, Extra Large 25 40L Expandable Carry Amazon.com: LOVEVOOK Laptop Backpack for Women, 15.6 Inch Work Business. Our product sizes are based on the sizing standards for the American market. Please note that the sizes listed are arranged from small to large. For specific product size values, feel free to email us for inquiries, and we will respond to your email within 12 hours. Thank you! [DetailsSplit] Material Polyester ship to the USA and EU yes,we have free shipping method to USA and EU Time to USA and EU 8 12days by standard shipping methord for free Season Spring,Autumn,Summer Type Casual&Fashion Occasion Work, Holiday, Outside, Home Please Note : All dimensions are measured manually with a deviation of 1 to 3cm