Estimated Time:3-10 days Note:We guarantee all refunds if you are not satisfied with our products. Package:1 * Fitness Back Supporter Belt Color:Black Material:Polyester fiber Size: S: Waist: 58 Front length: 24 Back Length: 28 M: Waist: 60 Front length: 25 Back Length: 28 L: Waist: 66 Front length: 25 Back Length: 29 XL: Waist: 68 Front length: 25 Back Length: 29 XXL: Waist: 70 Front length: 26 Back Length: 30 Suit for sport:Tennis、extreme sports、yoga、dance、volleyball、gym equipment and martial arts、 etc. Function:Abdomen、 waist support、 body-hugging accept waist、 etc.