Men's Negative Pressure Penis Booster Exercise Device - Silicone Home Use

Product information:
Style 1: Small size cup 3 rubber gaskets (no box),
Style 2: Red Box (3 rubber washers),
Style 3: green box (3 rubber gaskets),
Style 4: Red Box (3 rubber washer reverse mold),
Style 5: green box (3 rubber washer reverse mold),
Style 6: red box small size cup long meat,
Style 7: green box small size cup long meat,
Model 8: Small size cup 3 rubber gasket (no box suction ball),
Style 9: Small size cup 3 rubber washer reverse mold (no box suction ball)
Control type: manual
Material: Silicone