(1) Lefthander-RC Plastic Dirt Oval Tire Tube for rubber tires 2.2" and smaller. Tubes are 6.25" Long and 3.55" inner diameter. These clear plastic tubes easily store 1/10th scale 2.2" buggy tires (2-2wd front/2-Rear). WILL NOT FIT SC Rubber tires. These are a great way to keep your sets of tires together, as well as keep them from getting dimples and flat spots while lying in your tire box, or in bags. Tubes easily seal by a pop off top and help keep your tires from drying out.