Description: 【Deep Breathing Exerciser】: This Lung Exerciser is designed as a device to aid in deep breathing exercises, making it accessible for personal use 【Enhances Breathing Strength】: Specifically crafted to improve lung capacity and increase breathing strength, this Lung Respirator is suitable for both adults and children aged 5 and above, promoting healthier respiratory habits 【Versatile Use】: Whether in a hospital or at home, this Breathing Exercise Device serves as an effective tool for respiratory, providing flexibility in its application across different environments 【Construction】: Made from quality PVC, the Lung Trainer ensures durability and longevity, allowing users to benefits from consistent performance over time 【Compact Design with Easy Storage】: With dimensions of 17cmx8cmx17.5cm/6.69inchx3.15inchx6.89inch, the compact design of this breathing exerciser makes it easy to store and transport, ensuring convenience for users Specification: Material: PVC Size Chart: Box Size 17cmx8cmx17.5cm/6.69inchx3.15inchx6.89inch Package Includes: 1x Breathing Exercise Device Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement.