Calexotic ETC Anal Trainer Kit 3 pieces butt plugs black. Bulk weight 12.7 ounces. 4 inches by 1 inch small butt plug. 5 inches by 1.25 inches medium butt plug. 6 inches by 1.5 inches large butt plug. Firm, pliable anal training kit. 3 sizes included. Tapered for comfort and ease of use. Materials phthalate free PVC.