Materials & Dimensions: Made Of Durable Tarpaulin And Nylon Metal Hardware For A Sleek, Rugged Finish Dimensions: 18" Height × 16" Width × 7" Depth Key Features: 💻 Dedicated Laptop Compartment – Fits Most Laptops Up To 16 Inches – Separate, Padded Section For Maximum Protection 🧳 Add-A-Bag Feature – Securely Mounts To Rolling Luggage Handles – Ideal For Fast, Efficient Airport Travel 🎒 Detachable Front Pouch – Perfect Size For AirPods, Earbuds, Or A Slim Card Holder – Can Be Used Separately For Grab-And-Go Convenience 🕶️ Dual Side Gusset Pockets – Quick-Access While Wearing The Backpack – Ideal For Water Bottles, Sunglasses, Or Daily Essentials 🔒 2 Large Front Zippered Pockets – Great For Keeping Travel Documents And Small Valuables Safe 🔗 Durable Sporty Zippers – Smooth Glide Functionality – Built Tough For Everyday Wear And Tear 💧 Naturally Water-Resistant Tarpaulin – Sleek, Modern Look That’s Stylish Yet Practical – Keeps Your Belongings Dry When Caught In Rain