Sea To Summit Lightweight Dry Bag View 13L Features: Clear TPU window RF-welded into the body of the dry bag allows visibility of contents for easy organization 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 Detachable Dry Bag Sling strap sold separately   Lightweight Dry Bag View 13L