The Watershed Colorado Duffel is as popular for Long-Term River Tripping as the river it is named after. Used by Raft Guides around the Globe, the Colorado will carry enough gear for one person on a multi day expedition. This bag works equally well as a Car Top or Pickup Bed Waterproof Bag to provide Extra Gear Storage on Road Trips. Also works as a Storage Bag for Wet, Muddy Gear such as Waders or Dry Suits for Scuba Diving. Prevent getting Wet Gear and Enjoy the Loading Efficiency of a Wide-Opening Duffel Mouth with the Watershed Colorado. Keep your Gear Dry even when submerged! Easy-to-Use Zip Dry Seal presses shut like a freezer bag. It locks shut, keeping out moisture with an airtight, waterproof seal, even when submerged and under pressure. The Zip Dry Seal is Depth Rated to 300" (90 meters). The Colorado Duffel is made from Durable 840-Denier Nylon Fabric with a Heavy Matte Polyurethane (PU) Finish for Abrasion Resistance and overall Strength. Clear Version of the Backpack is made from Abrasion Resistant 20-ml Polyurethane. All seams are Radio Frequency (RF) Welded and Guaranteed to be Free of Leaks. Even the smallest details are top quality: Duraflex Side-Release Squeeze Style" Buckles and D-Rings are combined with Extreme-Duty Nylon Webbing. The Colorado Dry Duffel Bag measures (H x L x W) 18" x 31" x 16" (45.7 x 78.7 x 40.6 cm), has a volume of 6,400 cubic Inches (105 liters) and weighs 3 lbs 2 oz (1.42 kg)when empty. The bag is equipped