Ergo Super Flexi II Plum Purple Dong Pro Sensual Line from Cloud 9 Novelties. SKU number WTC964 Pro Sensual Ergo Super Flexi II Purple Plum Dong. UPC number 850013016563. The Ergo Super Flexi II is a non-explicit, liquid Silicone Dong with a tapered head and a smooth, flexible shaft that allows for easy and comfortable insertion. A wide suction cup base allows the Ergo Super Flexi II to be used on its own or with a harness. A bonus 3 inches, 10 function rechargeable bullet can be inserted into the base for powerful, rumbling vibration. Dimensions insertion length 7.25 inches. Diameter 4.75 inches. Bulk weight 7.92 ounces. Total length 8.43 inches.