Item Type: Weight Lifting Belt Product Material: Polyester Fiber Product Color: Black Application: Suitable for Fitness and Other Outdoor Activities Package List 1 x Belt Protector 1. The measurement method takes the navel as the center, and the length of one week is the waist circumference to select the size.2. Find the corresponding size according to your actual waist circumference and weight status. 1Provide Back and Abdominal Support: Lifting weights can add a lot of stress to your lower back, and when using a weightlifting belt, you can reduce spinal curvature, create safer biomechanics when lifting weights, and provide excellent back and abdominal support. 2Ergonomical Design: The weightlifting belt is ergonomically designed to provide firm and comfortable lumbar support during any type of strength training session. 3Sturdy Polyester Fiber: This premium weight lifting belt for men and women is made of polyester fiber materials that are very durable and sturdy. 4Breathable and Skin Friendly: The weightlifting belt has a special top mesh fabric that is very breathable and feels very comfortable against the skin. 5Quick Perspiration: The weight lifting belt is very breathable, can quickly wick away sweat, and can train more vigorously in the summer.