SANDA's simple description of nympha and fantastic internal structure will present strong excitement as well as the best stimulation. Close your eyes and insert slowly; SANDA's nympha. numerous nubs. crease will tighten your penis from the beginning of the insertion hole.1. The insertion is around 0.5cm diameter which offers stronger tightening as it is like a virgin. Its comb-crease give powerful stimulus from the beginning.2. It designed based on powerful narrow suction force by analyzing inside of the vagina of a woman feeling orgasm with G-spot. thick vagina membrane. and many vagina creases.3. Vagina crease and nubs (amativeness) are similar but inside feels narrower offering excellent sensation. Size: 6 cm x 6 cm x 15.5 cm