Jelly Oro Stimulator Black male masturbation device. Made using phthalate free, non-toxic materials Thermoplastic Rubber TPR sleeve, ABS plastic tubing, latex bulb. Easy to adjust pressure with the hand held bulb. Free sample of Wet Platinum Personal Lubricant included. Always clean before and after use. Oro Stimulator from Synergy Erotic Sex Toys. The inside length of the cup is 4 inches with the width at 2 inches. The length of the tube itself is 16 inches. How to use: connect one end of the hose to vacuum bulb, a small amount of water based lubricant can help with this process. Connect the opposite end of the hose to the nipple on the cylinder. Liberally lubricate the inside of the gelatinous sleeve with a water based lubricant. Slip the cylinder/sleeve combination over the head of the penis. Pump the bulb at whatever speed brings the most pleasure.