Train your booty! And never be without the perfect size butt plug again! These Colt Butt Plugs begin with a modest size girth of only 1 inch on the small one and grows to 2 inches in the large. Slowly build up your insertion tolerance with this 3 level kit or simply add a variety to your backdoor pleasure regimen. All solid black and made from soft but Sri-Urdu rubber (PVC based)