From ProTek RC:
ProTek 1/10 Buggy Tire Tubes are an airtight 6.5″ tall, 3.5″ diameter screw on lid storage tube that is perfect for 1/10 Buggy and On Road applications. These tubes are molded from PET, making them strong and lightweight, and are a great option for storing extra tires or as replacements for your ProTek 1/10 Buggy Tire Bag. Package includes one tube, and one lid.
NOTE: Storage bag shown in photos is not included.