What do 00-20, 00-30, 00-50, 10A and 20A correspond to? These are scientific values ​​for measuring the firmness of the silicone!

The Smooth-On© hardness scale is very well done! You will find it here.

Which firmness is right for you?

Everyone’s body and pleasure is different, so there’s no universal answer. But here are a few tips to help you choose:

• Size matters (for firmness): The larger the toy, the firmer it will feel, since there’s more silicone. For large toys, I recommend Soft (00-30) or Medium-Soft (00-50).
  
• Softer toys are more flexible and easily adapt to your curves, though you’ll feel the textures a bit less.
  
• Firmer toys hold their shape and let you really feel every ridge and detail.
  
• Soft (00-30) is especially appreciated by people with vaginismus, thanks to its gentle flexibility.
  

A few quick notes:

• Wonder in Soft (00-30) doesn’t stand on its own (RIP floppy boi)
  
• Extra-Soft (00-20) is perfect for strokers!
  
• For grinders, I recommend going with Extra-Soft (00-20) or Soft (00-30) if using around a penis, and Soft (00-30) or Medium-Soft (00-50) for vulva play.
  
• For dildos Medium-Soft (00-50) is a safe bet.