The sleek pump provides the ultimate enhancement experience with an easy-squeeze trigger handle, thick open-ended chamber sleeve and quick air release valve. The durable open-end sleeve and tight, nubbed chamber give you sinful stroking pleasure with or without the pump. Never settle for less when it comes to the size of your pleasure with the Optimum™ Series. The cylindrical pump and thick, durable sleeve are designed to effortlessly create the perfect seal and powerful suction. Once you’ve reached your peak pump, use the quick air release to decrease suction or release seal. When used regularly, this powerful pumper can increase stamina, enhance overall size and amplify sensation. To make sure you never miss your exercises, the powerful pump has a protective travel cap for enhancement to-go. To track progress, use the incremental measurement marks on the cylinder shaft. The premium sleeve fits into most standard pumps, but can be used independently for a passionate stroking experience. The premium TPR is a body safe, unscented and phthalate free to keep you most sensitive spots, happy and healthy. Enjoy easy clean up with this maintenance free stimulator sleeve, simply wash with soap and warm water before and after each use. Use ample lubricant for easy insertion.