Non-wicking roll-top closure secured with our patented Field Repair Buckle for a reliable seal Clear TPU window RF-welded into the body of the dry bag allows visibility of contents for easy organisation Double-stitched and fully taped waterproof seams bluesign APPROVED recycled 70D nylon fabric uses a PFC-free DWR finish D-ring attachment point at buckle for securing to boats, bikes, kayaks.