Find your perfect size with the Performance Penis Pump Cylinders. This crystal-clear cylinder delivers 1.75" diameter by 9" total length. Its comfortable flange ensures a better seal. Use this cylinder with any Blush Performance pump and accessories for a more personalized fit. Made of body safe acrylic the Performance Pump Cylinder is easy to use and easy to clean. Material Type: Acrylic Texture: Smooth Insertable Length: 9 inches Length: 9 inches Width: 1.75 inches Product Weight: 5.5 ounces