The Curve Toys Amp Up Penis Pump is designed to assist in personal goals with its innovative features. This clear, medical-grade plastic device has a graduated cylinder that allows for real-time measurement of progress during use. The intuitive hand-pump bulb provides premium suction control, making the process straightforward. Additionally, the silicone sleeve ensures a secure, body-safe seal. For added convenience, a quick-release valve is included to easily relieve pressure if necessary. The pump features a total cylinder length of 9.5 inches, with an inner length of 8.8 inches and an inner diameter of 2.3 inches. The silicone sleeve opening measures 0.8 inches in diameter when unstretched. The tubing is 8.5 inches long, and the bulb dimensions are 4.9 inches in length, 2 inches in width, and 2 inches in depth. This item is made in China and is designed for comfort and effectiveness during use.