Pump Worx Silicone Pump Blue. The Silicone Power Pump will give you the size and confidence you have always dreamed about without any harmful side effects. With each squeeze of the medical-style pump ball, your pleasure rod will grow bigger, thicker, and swell with power. Once you penetrate the body safe, soft silicone opening, you will quickly discover throbbing, rock hard erections that feel great and last and last, with no midway performance letdowns! The clear vacuum tubes allow you to watch your cock grow, and the quick release valve relieves pressure with a push of the button. The silicone sleeves feel great against your cock while it provides extra stimulation and a super tight seal against your skin. To prolong ejaculation, slide the included enhancement ring over your shaft until it is nice and snug. The tight squeeze will prolong cumming, help maintain your erection, and extend the fun. When you are done, simply detach the cylinder from the vacuum hose and restore it to like-new quality with Pipedream Sex Toy Cleaner and warm water.