A. Dimensions: - Size M is about 26 x 23 cm. - Size L is about 30 x 32 cm / 11.8 x 13.6 inches. - Size XL is about 26 x 30 cm. - Size XXL is about 30 x 35 cm. B. Material: It is made of cashmere knitted wool, which is soft, elastic and skin - friendly. C. Function of the cashmere waist protector: The cashmere kidney belt can protect your back, abdomen and hips from the cold and drafts in winter. It is a good companion in cold weather. D. Efficacy: It supports the waist, wraps the abdomen and warms the stomach. E. This warm clothing may relieve various back pains. The double - layer soft abdominal warming design can warm the female uterus and relieve pain during a woman's special period. It is suitable for use in winter, such as during outdoor cycling, work and sports. It is also helpful for the elderly as it can keep the waist, back and abdomen warm. It is a nice gift for Mother's Day, Father's Day, birthdays and Christmas. F. Package contents: 1 belt.