Size: 32x26cm Material: spring steel Package Contents: 1* Tensioner Multifunctional sit-up equipment The most powerful exercise equipment This sit-up exercise equipment can perform a variety of exercises and is perfect for arm training, shoulder training, waist training, butt training and leg training This is a great tool for losing weight and building a perfect body, exercise bands are suitable for both men and women, lose fat and tone the body, build a strong core and abs, you can adjust the tightness of the tube according to your workout This fitness sit-up exercise equipment has super soft foam handles and non-slip pedals, it is safe and environmentally friendly, very comfortable and durable It can reduce stress, improve joint flexibility and mobility, prevent cervical spondylosis and low back pain, and build a healthy body for you Effective and durable pedal resistance fitness band for tension ropes, this resistance training tool trains your arms, abs, shoulders, legs and glutes It's not just a way to lose fat with a tummy tuck, it's a way to shape your body Portable Fitness Bands Our home elastic drawcords are lightweight so you can use pedal resistance bands anywhere in your home, hotel room , office, or even outdoors, and use your fitness equipment to shape your body anytime, anywhere Note: The strength of the tensioner is within 1 meter of the stretched length. The stretched length of more than 1 meter may cause the spring to deform. It is not recommended to stretch more than 1 meter. Please note