Details
Safe Materials
- High-quality Silicone
- Non-toxic, Odorless, Waterproof
- Environmentally Safe
Portable
- Light and Small
- Pocket-Size
- Detachable parts
One-Size Fits All
- Fits all mouth shapes
- Teeth grip texture
- Flexible and comfortable
Proven Results
- Develops Respiratory Muscles
- Pull more Oxygen into your Lungs and Exhale more Carbon Dioxide
- Adjustable Resistance Levels
- Improve Endurance, Breath Holding and Shortness of Breath
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