Performance VX2 is a gentlemen`s enhancement system that consists of a precision gauge, vacuum chamber, trigger pump, a removable airtight seal and a penis ring. Precision engineered vacuum chamber is clear for viewing progress measuring 2.5 inches wide, 12.25 inches in total length and accommodating 8 inches in penis length. Regulate the amount of pressure with the precision gauge, adjust the intensity with the two-finger, trigger pump handle and disengage with the quick release valve. Bonus stretchy cock ring helps maintain erection and elongate each VX2 experience. Last but not least, we have included a detailed User Safety Manual to help you pump safely. Lab Tested Body Safe. Silicone, Water Based, Hybrid Lube SafeQUALITY - Precision Design. Tight Seal. High Performance. Ultimate PleasureTHE SPECS - 11 Overall Length. Cylinder Is High Impact Polycarbonate. Measures 8L x 2.5W. Etched Measurement Markings To Measure GrowthPERFORMANCE - Advanced Pull Handle Design Generates More Vacuum Than Bulb Pumps For Bigger ResultsINCLUDES - 1 Ultra Soft Pump Sleeve For Maximum Pleasure. 1 Stay Hard Cock RingPEACE OF MIND - Responsibly Made By Blush. U.S. Maker of Quality Sexual Health Products Since 2007. Includes A Detailed Product Instruction And User Safety Manual. Easy Safety Pressure Release Valve