The choice of this high-grade material provides safety in use and the option to heat or chill the toys.Borosilicate glass is also non-porous and can be sterilized to help prevent infection with reuse.Glass sex toys are commonly made from clear medical grade borosilicate glass ("hard glass").

Penetrative vibrators usually measure twelve to eighteen cm (five to seven inches) in length and two to five cm (one to two inches) wide often to mimic the size of the average human penis.

No safety regulations exist in the sex toy industry.

Some vibrators intended for internal use are phallic in shape.

Small vibrators may have a stretchy loop attachment for use as a finger toy or cock ring.

Sex toys are most commonly sold at a sex shop, but they may also be sold in a pharmacy/chemist store, a pornographic DVD store or head shop.

Today's sex toys are available in almost all countries for male and females.

do exist, and some sex toys may be compliant to this though, despite that there is no obligation for manufacturers on attaining compliance.

A recent (2006) study conducted by the Greenpeace Netherlands office found high level of phthalates in seven out of eight plastic sex toys tested.

The highest quality glass toys can even be put in the dishwasher making them easier to keep clean. Either the toy may have a hole into which a small bullet vibrator can be inserted, or the core of the glass design can be modified to form a standard vibrator.

As well as their practical qualities, a main selling point of glass sex toys is their visual appeal. The latter option usually has a plastic cap covering the battery compartment, which will also house any control buttons or switches.

Vibrators are vibrating devices intended to stimulate the body.