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Portable Lung Trainer Adjustable Silicone Mini Breathing Exerciser for Fitness Durable Diving Bite Outdoor Fitness Supplies
Specifications:
- Weight: about 44g
- Size: about 3.94*2.17*1.97inch (10*5.5*5cm)
- Origin: CN(Origin)
- Model Number: Silicone mouthpiece
- Material: silicone
- Free shipping
- 100 days returns
- Low prices
- 5 million products