Amazon.com: RAINS Backpack Regular - Waterproof Backpack for 。Rains 1220 Backpack The Backpack silhouette is a Rains classic, characterized by its prominent flap and central strap with carabiner closure. This clean and ever contemporary waterproof rucksack features an internal laptop pocket, a spacious main compartment, and a concealed external phone pocket on the back panel. Backpack is cut in Rains´ signature waterproof PU fabric, engineered for carrying strength, durability, and a smooth feel. Material: 100% polyester with polyurethane coating • Lining: 100% polyester • Water column pressure: 8000mm • Measurements H18.9 x W11.8 x D4.7 inches • Volume: 13 L • 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