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 and Size: Made from EVA material, this pelvis muscle exerciser is reliable and safe for use. It measures 24 cm or 9.45 inch in length, 18 cm or 7.09 inch in width and 6 cm or 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 or 9.45inch Width 18cm or 7.09inch Thickness6cm or 2.36inch Package Includes: 1 Pelvic Exerciser Note: Please allow slightly errors 1-2cm or 0.39-0.79inch differences due to manual measurement.