Size: S size recommended weight (45KG-60KG) M size recommended weight (60KG-70KG) L size recommended weight (70KG-80KG) XL size recommended weight (80KG-90KG) XXL size recommended weight (90KG-100KG) Color:As shown in the figure Product features: 1. Effective posture improvement: This harness can effectively improve bad posture, keeping you in an upright position. 2. Breathable and comfortable: The harness is made of breathable materials, making it very comfortable to wear without any discomfort. 3. Correction of body shape: This harness can help you adjust your body, making it easier for you to achieve your fitness goals. 4. Open chest and broad shoulders: create a straight abdomen and back, increase the force on the front of the shoulders, and make the abdomen and back more straight. 5. Easy and convenient: This product is designed for convenience, allowing you to easily wear it at home or at the gym. It is also easy to clean and maintain. Package includes: 1 pc Fitness training straps