COLT Anal Trainer Kit contains 3 firm and pliable butt plugs provide incremental training stages from small to medium to large. Small butt plug measures 4 inches long by .5 to 1.25 inches wide, medium butt plug measures 5 inches long by .75 to 1.5 inches wide and large butt plug measures 6 inches long by 1 to 2 inches wide. Bulk weight 12.6 ounces. Always clean before and after use. A water based lubricant is recommended.