Long-lasting Lung Function Exercises With Portable Household Breathing Trainer $ 19.21 Product information: Product color: pure white/business gray/sky blue Material: ABS Applicable scene: fitness equipment, health massage Size Information: Length: 90mm, width 36mm, height 150mm Product packaging size: Length: 124mm, width 60mm, height 180mm Packing list: 1x Breath Trainer