TENGA's revolutionary Flip-style is back and is stronger than before in the form of the FLIP HOLE BLACK! The "Double-layered" interior accentuates details to their limits! Packed with TENGA's now-standard One-Hand Control Pad function and Easy to clean, easy to dry hygiene, the FLIP HOLE BLACK has landed!- Its perfect tightness provides- a dynamic stimulation.- The accentuated three-dimensional- details rhythmically arouse.- Pioneering molding technology give life to- â€Double-Layered†details.