Friendly Body trimmer. Rowing Exerciser. Made of natural rubber (or TPR) tube and plastic fillings. Fitness chest pull/chest expander instead of the past heavy, hard, cold iron equipment, conform to kinesiology and physical characteristics, follow the modern concept of human exercise, has been to be popularized around the world. Second, 100m chest pull’s design is closer to human performance and safety Every part of products. 100% natural latex, high elastic, safe, non-toxic, nice hand-feeling and better for children and ladies. Follow the modern concept of human exercise, has been to the popularized around the word. Perfect for building body and Workout anywhere and anytime easily. Made Of High Quality Industrial Resistance Silicone Foam Material. Great in Training back /back /arms /shoulders. Soft hand grips for extra comfort. Rubber tube pull up bar Portable and light weight, can be used anywhere anytime. Flattens tummy in just a few days. Firms chests and arms. Tightens hips and thighs. Fully adjustable in number of tubes. Tube is washable. A genuine quality product.