STORAGE: These Waterproof Roll Top Backpacks Have A lot Of Space Can Fit Most Laptops Up To 15.6 Inches With Ease, It Features A Padded Laptop Pocket With Securing Strap To Keep it Cushioned And Prevent Damage. The Inner Accessories Pocket and Outer Pocket are Great For Storing Smaller Items Such As Smartphones, Keys, Wallets, Passports, Headphones, Sunglasses And Many More Items. The Top Is Expandable and Features a Adjustable Strap With High Durability Buckle and Zipper Closure. COMFORT: Business Work Roll Top Bag is Extermely Comfortable and Features a Ergonomic Design To Reduce Strain On Your Back. Has A Thick Padded Breathable Shoulder Strap To Give You High Comfortability Even When Carrying Heavier Things. Adjustable Buckles To Position On Your Back Where It Feels Best For You. QUALITY: Travel Backpack Constructed Of High Durability Caftsmanship, Waterproof Smooth Matte Polyurethane Fabric. Enhanced Quality Zipper and Buckle Great For Travel Without Having To Worry. Mesh Br