SealLine Wide Mouth Duffle plastic Easy Packing: Wide mouth opening for fast packing and big items Reliable Protection: Roll-down Dry Seal closure for watertight protection Versatile: D-Rings for Use with a Shoulder Strap or Tie-Downs Built Tough: 19 oz. scrim-reinforced vinyl side with heavy duty 30 oz. scrim-reinforced bathtub vinyl bottom