Hi-Density Twill Nylon & Tarpaulin: Combines durability with a sleek look. 18-Inch Size: Perfect for work and daily use. Expandable Design: Provides extra storage space when needed. Separate Zippered Laptop Compartment: This keeps your laptop secure and protected. Gusset Compression Straps: Ensure stability and compress your load effectively. Large Front Zip Compartment: Offers easy access to frequently used items. Bonus: Includes 2 free travel bottles for your convenience.