Model Number:Coia_1654498133 Colour:Black (Adjustable) Product Dimensions:30 x 5 x 5 cm; 347.5 Grams Item Weight:348 g Specifications: Material: textile belt, rubber and steel tube Colour: black Size: 29.7 cm Function: sit-ups, train the stomach, no need to install, light and portable Design: adjustable size Package contents: 1 x Nordic hamstring curl strap. Notes: Due to the lighting effects and shooting angle, there is a colour difference in the product. Due to manual measurement, there is a tolerance in the product size. Easy to set up: the sophisticated design makes it easier for anyone who can use it. Do not use this device with glass doors EXERCISE GEAR - The coll band of the thighs is the perfect waist and abdominal exercise equipment that allows you to practice a better sit-up shape by placing your feet on the floor and maximising the activation of your core abdominal and hip flexor. Portable: it is easy to put in a backpack or suitcase, be it travel, business trip or gym, it is very convenient. Multiple uses: 4 proven ways to use. Train anytime and anywhere and do not let your environment restrict your workout! Use for reverse crunches, leg raises, abdominal exercises, classic crunches, crunches and more! The hamstring curl machine is suitable for fitness enthusiasts of all ages. PREMIUM MATERIALS - A really sturdy sit-up aid! The central bar of the coll band of the thigh is made of steel for maximum stability and control. Thicker, curved, slide, high density padded foam padding provides comfortable support for foot or ankle. and high quality nylon webbing. Easy to set up EXERCISE GEAR Portable Multiple uses PREMIUM MATERIALS