Function: Urethral Sounding DilatorColor: BlackSize:S: 18.5 * 0.06 cm /7.29 * 0.02 inch (12 g/0.03 lb/0.42 oz)M: 25.5 * 0.07 cm /10.05 * 0.03 inch (15 g/0.03 lb/0.53 oz)L: 32.2 * 0.09 cm /12.69 * 0.04 inch (24 g/0.05 lb/0.85 oz)Material: SiliconePackage: OPP Bag