The Portable Lung Capacity Abdominal Breathing Trainer is a versatile fitness equipment designed for gym and training purposes. Made of silica gel, this breath trainer is adjustable in resistance, making it suitable for different levels of fitness. Ideal for home use, semi-commercial use, or commercial use, this portable trainer targets the abdominal muscle group with its unique design. It helps users improve their lung capacity and strengthen their abdominal muscles through various resistance levels. Easy to use and convenient to carry, this breathe trainer offers a comprehensive workout experience for individuals looking to enhance their fitness levels.