1. PERFECT FITNESS TOOL - Correct your posture and optimize your breathing performance with this breathing trainer. It strengthens and tones the perioral muscles, improves the closing force of the lip muscles, and applies greater pressure on the facial muscles, leading to better alignment of the spine and shoulders. 2. GREAT DURABILITY - Get perfect lip toning with this breathing trainer, meticulously crafted using high quality PP and ABS materials that are sturdy, comfortable and skin-friendly for optimal and long-lasting results. 3. SIMPLE TO USE - Get better breathing effortlessly with our lip muscle trainer. Its user-friendly design and simple instructions make it suitable for users of all ages and easily integrates into daily life to improve respiratory performance. 4. CONVENIENT TO CARRY - Take your workout to new levels with this portable breathing trainer. Its lightweight design allows you to comfortably carry it in your pocket or bag, and you can use it to strengthen your lips anywhere and anytime. Use scenarios: - At home during a morning routine to support posture and breathing as you start the day. - During desk or study sessions to perform quick lip muscle training breaks that enhance respiratory performance. - While traveling or on the go to maintain lip strength and breathing practice in busy schedules.