Classic silhouette Backpack by Rains Color: Black Material: 100% polyester with polyurethane coating Lining: 100% polyester Water column pressure: 8000mm Measurements H48 x W30 x D12cm / H18.9 x W11.8 x D4.7 inches Volume: 13 liters / 3.5 gallons Signature carabiner closure Flap with magnet snap fastenings Single main compartment External back zip pocket Internal zip pocket Flat laptop pocket fits 15” device with sleeve Adjustable backstraps This product is designed to withstand light to moderate weather conditions