Material: PP Size: Adjustable Color: As shown 1. Multifunctional design, integrating abdominal muscle, pelvic floor muscle and lung capacity training, meeting the needs of whole body core strength training. 2. Small and portable, suitable for indoor use, efficient endurance training anytime, anywhere, without taking up too much space. 3. Ergonomic design, comfortable grip, effectively improve breathing control ability, help deepen the abdominal burning effect. 4. Suitable for fitness enthusiasts at all stages, whether beginners or advanced users, can adjust the intensity to achieve the best training experience. 5. Made of high-quality materials,opne lasting and safe, the anti-slip ensures stable and non-slip training process. Package includes:1pcs muscle trainer