☽Safe And Healthy: The Abdominal Breathing Trainer is made of ABS resin and TPR materials, which are non-toxic and harmless, the material is smooth and comfortable, and will not harm the skin and mouth. ☽Prevent Double Chin: Long-term use of the Breathing Fat Loss Trainer helps to enhance the facial line, tighten the skin, prevent double chin, and make your facial line softer and more beautiful. ☽Increase Energy Consumption: Designed to increase the lung capacity by increasing the abdominal breathing rate, this Breathing Exercise Device can increase the energy consumption through the abdominal breathing. ☽Lightweight Material: This Breath Training Device is small and light, you can take it with you, whether you are doing housework at home, going out, the go, in the gym, or at work. ☽Send To A Friend: You can send the Lung Exerciser Device as a gift for your family and friends who need a facelift. It will surely delight the recipient of the gift.