Sizing Guide

Choosing the right mouthpiece size is crucial for your comfort and the effectiveness of our product. Here's a straightforward guide to help you make the best choice:

Which Size Should You Choose?

  • Large Size: 
    • This is suitable for most adults.
    • Ensures a snug, comfortable fit for best effectiveness.
  • Small Size: 
    • Designed for teens and adults with smaller mouths.
    • Slightly narrower and shorter for a more precise fit.

Mouthpiece Dimensions

Size

Length

Width

Height

Best for

Small

6.5 cm

4.7 cm

2.5 cm

Teens & small adult mouths

Large

6.7 cm

5.3 cm

3.3 cm

Most adults


If you're still uncertain about which size to choose, feel free to reach out to me at ken@getreviv.com`