Heavy-duty roll-top with buckles Super heavy-duty dual hydro-coated waterproof and abrasion resistant fabric Fully welded seams - tough welded construction sheds water and will not crack in extreme temperatures (2) Full-Wrap adjustable straps allow for attachment to ATVs, UTVs, boats, kayaks, canoes, trucks, trailers, roll-cages, etc. For maximum water/element protection, roll the top of the bag past the upper to lower black material seam and connect top buckles