THE WATER-BASED POWER OF THIS PUMP IS FOR USERS MEASURING 7 INCHES TO 9 INCHES WHEN ERECT AND CAN HELP CREATE HARDER, LONGER LASTING ERECTIONS. ONCE FILLED WITH WARM WATER, THE PUMP SEALS AGAINST THE BODY. FOR BEST RESULTS START WITH 3 FIVE MINUTE SESSIONS PER USE. 1 TO 3 MONTHS. ALSO AVAILABLE IN BLUE AND RED. INTERNAL LENGTH 11.5 INCHES.
