Delicate white super soft type cup 

Soft plump bring very delicate floating point internal friction feeling， perfect details of the performance of nerve endings that allows you to produce the illusion of being provocative， extraordinary pleasure beyond words

Increase the air pressure difference sucking force， and enjoy the feeling of vacuum contactors 

Internal structure analysis (with reference to the internal structure): 

(1) endless fine floating-point design， giving you the delicate caresses; 

(2) spherical floating-point design， full massage your penis and Coronal; 

(3) particulate floating point tight "bite" Lives of the penis， while drawing more lustful sound of the collision; 

(4) one-way air valve to prevent lubricant leakage， while increasing the cup to suck the air force. 

One-way air valve appreciate the charm of Innovation and Technology in Japan: 

When inserted， the valve ports along the cavity air being squeezed from both ends of the cavity. 

When withdrawn， the check valve so that air can not flow back into the extrusion cavity， thus increasing the air pressure to the cavity

Real black bear exquisite cup 

With memory function and high-strength transparent latex elastic material after extrusion and impact， not restitution immediately， but slow recovery. This is to some extent so that when the penis is inserted more smoothly， while increasing the resistance of the penis pulled out of one into one between， you can feel a strong sense of fall brings wonderful stimulus

Increase the air pressure difference sucking force， and enjoy the feeling of vacuum contactors 

Internal structure analysis (with reference to the internal structure): 

1) 4 section blank design， so you have to break through the layers of satisfaction; 

(2) spherical floating-point design， full massage your penis and Coronal; 

(3) 4 screw ball， firmly grip the base of the penis， while giving a gentle caress; 

(4) one-way air valve to prevent lubricant leakage， while increasing the cup to suck the air force. 

One-way air valve appreciate the charm of Innovation and Technology in Japan: 

When inserted， the valve ports along the cavity air being squeezed from both ends of the cavity. 

When withdrawn， the check valve so that air can not flow back into the extrusion cavity， thus increasing the air pressure to the lumen.