Pump things up! This Penis Pump Kit features a transparent 9 inch cylinder with measurement markings so you can track your progress with each pump. The wide lip base ensures a tight seal, while the flexible hose and quick release valve makes it easy to maneuver and release the pump when you`re ready to play.The ergonomic hand pump comes included with a large pressure gauge so you can find the amount of pressure works with your package best. This Pump Kit is perfect for those who want a more sensitive and long lasting erection - utilize your favorite cock ring to maintain your new pumped up shaft!Measurements: Overall length 9 inches, diameter opening 2 inches, hose length 10.25 inchesMaterials: Metal, Acrylic, Phthalate-Free SiliconeColor: Transparent Key Features: Premium Penis Pump Set: Constructed with metal and acrylic for a dependable pump you can count on; Perfect for use on your own or with a partner for a more intense sexual experience Enhance Your Erection: The vacuum created from the pump increases bloodflow to your shaft to increase size and sensitivity Cylinder With Measurements: The wide flared base of the acrylic cylinder ensures a secure seal for an easier pump, while the measurement etchings makes it easy to track your progress with each pump Hand Pump With Pressure Gauge: The included handpump is easy to squeeze and features a large pressure gauge so you can find out the amount of pressure that works best for you Quick Release Valve: The quick release valve allows you to detach the hand pump without releasing pressure within the cylinder so you and your lover can enjoy the view of your pumped up member