Nrip-stop BOULDER PACK CO: Based in Colorado, we create bags that are ready for adventure and thoughtfully designed around user feedback. DURABLE: Polyester Ripstop, high quality stitching, and rigorous drop testing standards. LIGHTWEIGHT: 11.2 oz bag, folds into 8”x6”x2” pouch with 2 exterior pockets. USEFUL: 28 Liter Capacity at 18”(H) x 11”(W) x 8.5”(D), 4 exterior pockets, internal divider, emergency whistle and free carabiner. The fabric enhances to be water-resistant to protect your items from light rain or mist. You can quickly and easily latch your essentials or other accessories for ultimate convenience. It can be folded down into an easily packable pouch that allows you to travel smarter without sacrificing valuable space.