No matter you are a man, woman, single or married, you can buy a sex doll, she can get rid of loneliness and add some fun to your boring life. But which one is the best choice? Only face or function? If you plan to buy a sex doll, the first thing to consider is the material of the sex doll, because only if it is realistic enough can it bring you a more magical touch. As well, rubber dolls on the market definitely won’t stand still, it is improving.