Ergo Super Flexi I Plum Purple Dong Pro Sensual Line from Cloud 9 Novelties. SKU number WTC963 Pro Sensual Ergo Super Flexi I Plum Purple. UPC number 860007665387. The Ergo Super Flexi I 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 I 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 6 inches. Diameter 4.5 inches. Bulk weight 5.6 ounces. Total length 7.18 inches. Categories: Rechargeable Vibrators, G-Spot Stimulator, Sex Toys for Women, G-Spot Vibrator. 2022.