- ABS (BPA Free)
- Made in USA or Imported
- Natural way: get rid of your mucus with exercise
- Better breathing: just practice 10 to 30 minutes a day. Get easier breathing and better athletic performance
- Easy to use: this breathing exercise device is lightweight and compact, easy to use anywhere. There are no complicated level settings and incomprehensible accessories, the only thing to consider is - which metal ball to choose
- Improved shape: it is made of food-grade PP and can withstand temperatures up to 130 ℃. Rotate 30° counterclockwise to easily lock the front end, and the clever curved design fits your fingers better. Get a great user experience
- Complete accessories: three different sizes of stainless steel balls are prepared to create different levels of exercises, suitable for adults and kids. Also equipped with a mouthpiece and eight cotton filters
