JOCNIKA 2 Pcs Breath Trainer, Portable Breathing Trainer Silicone Lung Exerciser Device, Resistance Breathing Exercise for Yoga, Swimming, Fitness White and Black MANASIK 20 minutes of continuous stable

20 minutes of continuous stable steam allows you to straighten more clothes for one time

Lightly scented

deep hydration to the skin without leaving a sticky residue

model number: ‏ : ‎ F91WS-7D

JOCNIKA 2 Pcs Breath Trainer, Portable Breathing Trainer Silicone Lung Exerciser Device, Resistance Breathing Exercise for Yoga, Swimming, Fitness White and Black MANASIK 20 minutes of continuous stableAdjustment Respiratory Trainer: The lung trainer made of food grade silica gel and ABS,with adjustable resistance valve,the resistance can be adjusted by rotating left and right. Portable Size: The breath strengthening device is 1. 97*3. 94*1. 18 inch,small size,light weight,easy to carry,and can be used at any time. Multi Functional Breathe TrainerThis breathing resistance trainer suitable for suitable for all kinds of exercise activities,such as