Product features: Natural cork, environmentally friendly and safe: Selected high-quality cork, natural and environmentally friendly, non-toxic and harmless, comfortable to touch, giving you the most natural care. High-density material, stable and durable: High-density structure, strong load-bearing capacity, not easy to deform, durable, accompany you every yoga practice. Triangular design, fits the body curve: The unique triangular shape fits the waist and abdomen curve better, effectively supports, helps you better relax the waist and abdomen muscles and relieve fatigue. 30cm golden size, suitable for a variety of postures: The 30cm golden size is suitable for a variety of yoga postures. Whether it is a beginner or a senior yoga enthusiast, you can find a practice method that suits you. Applicable people: People who want to relax their waist and abdomen and relieve waist fatigue Yoga beginners, people who need auxiliary tools to help complete the posture Senior yoga enthusiasts, people who pursue a higher practice experience Use scenarios: Yoga studios, gyms, homes and other places Waist and abdomen relaxation, posture assistance, meditation and other scenes Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.