Materials: Glass

Size: Diameter 0.19''/5mm,0.23''/6mm,0.27''/7mm,0.31''

Length:7.87''/200mm

Our urethral sounds are 100% non-porous and made of high-grade glass. Another great thing about glass is that it can withstand to be heated even at high .

If you are a beginner to urethral sounds, choose to wear the smallest diameter first, then proceed to the next and so on. Once you have tried urethral sounds, this will expand the size of your urethra giving the need to try on more sizes, to one that fits your urethra.

Please note:

These are made of glass, please do not violent to use these. Please carefully check the product for damage after receiving it, if there is any problem please stop using it and contact us for a replacement! Buyers assume full responsibility for any damage, loss, misuse, or any other direct and indirect consequences from its use or mismanagement.

These products are not recommended for long time insertion. I recommend using it best with lubricant together.