Description: This waist band is designed with plush lining, which is self-heating and cold resistant for women to wear at cold winter days. With adjustable design, this waist strap is convenient for user to adjust according to their waist size for slim and comfortable fit. Made with nylon, cotton, nap and spandex material, this squats waist strap is wear resistant for you to long time used. There are XS, S, M, L four sizes can be chosen from. It is suitable for fitness, running, daily work, mountain climbing, post-injury repair. Item Name: Self-heating Waist Strap Material: Nylon,Cotton,Spandex,Nap Features: High Stretchy, Soft Touch, Wear Resistant Size Details: XS Size Length: 80cm-90cm/31.5"-35.43" (Approx.) S Size Length: 90cm-105cm/35.43"-41.34" (Approx.) M Size Length: 105cm-120cm/41.34"-47.24" (Approx.) L Size Length: 120cm-140cm/47.24"-55.12" (Approx.) Notes: 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. Package Includes: 1 x Self-heating Waist Strap