100% Waterproof & Extremely Durable. All the Comfort of a High-End Backpack. Aqua-Quest Backpacks are The Best * Durable & Abrasion Resistant Oxford 400D RipStop with TPU Lamination & Dupont DWR Coating, Superb Strength & Impermeability * Double Bar Tacked Stress Points. High Visibility Reflective Straps & Reflective Logo. Fully Adjustable For Superior Comfort on Men and Women of All Sizes * Additional Features: Sleeve Pocket at Front of Bag for Additional Storage Compartment. Water Bottle Pockets Provide Convenient Access to Hydration. * Dimensions (Approx): Capacity 1500 cu. in. Weight: 1.5lbs. Laid Flat: 25.5 X 12 in. Closed: 19.6 X 12 in.