NRS Tuff Sack 35L Dry Bag pdf. Drop your gear in the bag, fold down that watertight closure and forget about it. Professional outfitters around the globe rely on NRS Tuff Sacks to keep gear dry all season long, season after season. The heavy duty PVC Free TobaTex material combined with welded seams result in a rugged, waterproof bag that will keep your gear dry and withstand the seasonal use and abuse. Designed in a variety of sizes, the Tuff Sack can fit everything from sunscreen and on the boat essentials, to clothing for a week off the grid. Exclusive to NRS, the StormStrip closure system coupled with heavy duty plastic buckles provide a watertight seal and a convenient carry handle. A D ring on the quick release buckle provides a handy attachment point.