Material: 100% Polyester Water-Repellent Exterior and Reinforced Corners Compatibility: Accommodates up to 18" Notebook Design: Multi-function Backpack with Dedicated Compartments for Various Uses Easy Access: 3 Main Compartments for Gear Organization Laptop Compartment: Standalone Laptop Compartment (up to 18') with TSA-Friendly Opening Product Dimensions: 18.5' (H) x 12.99' (W) x 6.3' (D) Product Weight: Approximately 4.29 lbs 1.95 kg