9/30/17 Each tube is packed in a separate sealed plastic bag. Correct tube alignment (so the stem goes through the valve stem bore without exiting the opposite side). I think the side with the blue stripe is opposite the stem side. My discs are badly corroded around the valve stem bore so an internal chamber is required. If I twisted or moved the camera, it can be easily fixed with a spare camera. Carlisle Turf Saver Lawn and Garden Tires - 15 x 6-6A with Yanzhen Tool 32114, Set of 2 Small Tire Levers 11/2/17 inflation maintenance on both tires.