She can stretch out her body at will. There are limits though. Stretching puts strain on the bones, and keeping a body part stretch for too long could cause trouble and soreness.
Owner will get a larger version of the picture, without the price on it. Gender and haircut can be changed by the owner (I will not make the changes myself) but markings should remain the same. If re-sold, please do not sell for more than the price here, unless new art is included.