From ProTek RC:
ProTek 1/8 Buggy Tire Tubes are an hermetic 8″ tall, 4.75″ diameter screw on lid storage tube that’s excellent for 1/8 Buggy, 1/10 Brief Course, No Prep/Outlaw Drag Racing and Crawler tires smaller than 4.75″. These tubes are molded from PET, making them sturdy and light-weight, and are an awesome choice for storing further tires or as replacements in your ProTek 1/8 Buggy Tire Bag. Bundle contains one tube, and one lid.
NOTE: Storage bag proven in pictures is just not included.