Description: Pelvic Floor Strengthening Device: This pelvis trainer can improve sitting posture, exercise, and strengthen the muscles. The hollow design at the bottom further enhances stabilityEasy to Use: Just sit down and exercise comfortably. Open your legs and keep your waist straight. Then you need to actively tighten the pelvic floor musclesMaterial & Size: Made from EVA material, this pelvis muscle exerciser is reliable and safe for use. It measures 24 cm/9.45 inch in length, 18 cm/7.09 inch in width and 6 cm/2.36 inch in thickness, making it compact enough for easy storage or travelMultipurpose: The ergonomic Pelvic Floor Muscle Training Device is suitable for home, office, gym, sports, etcDesign: This small and portable pelvis trainer, massage particle point design, is comfortable to use, is compact and lightweight size, which is very convenient and practical Specification: Material: EVA Size Chart: Length 24cm/9.45inch;Width 18cm/7.09inch;Thickness6cm/2.36inch Package Includes: 1 Pelvic Exerciser Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.