MIER Large Waterproof Duffel Bag Rolltop Dry Backpack Duffle Bags 80L NEW

100% Waterproof & Sandproof --- MIER dry duffle backpack is made of abrasion resistant and water repellent tarpaulin material, have fully welded seams to keep your gear dry and safe. Top roll design with hook and loop closure, easy ways to use, simply fold the roll-down top at least 3 times, then use the side clips & adjust for a snug,