Features: Helps support relaxation and mental clarity. Taking deep breaths can help clear your mind and reduce feelings of stress related to daily activities. Promotes an active and positive day. Designed to measure inhalation volume: green indicates 600 ml, red indicates 900 ml, and yellow indicates 1200 ml. Allows you to monitor and record breathing performance. Lightweight, portable, and easy to clean. Compact design makes it convenient to carry in a bag for use at home or on the go. A simple breathing exercise tool to support healthy breathing habits. Encourages proper breathing techniques, helps promote airflow, and supports respiratory wellness. Regular use may improve oxygen delivery and contribute to overall well-being. Specification: Style: Three balls Material: ABS Color: As shown in picture Size: Approx. 24 x 4 cm / 8.27 x 1.57 in Quantity: 1 pc Note: 1 cm = 10 mm = 0.39 inch No retail packaging included. Please allow 1–2 cm variation due to manual measurement. The actual color may vary slightly due to monitor differences. Package includes: 1 x Deep Breathing Exerciser (Other items shown in the image are for demonstration only and not included.)