Product Size: 67*32*2.8cm Color: black and red Material: PP+chrome-plated spring steel wire+thickened steel pipe Package content: 1* tensioner 1.CHEST EXPANDER Our 5 Spring Chest Expander is the ideal equipment for conditioning your upper body muscles such as the chest, shoulders, biceps, and triceps. This kit includes 5 adjustable resistance springs that allow you to easily set the tension level for your workout. 2.5 SPRINGS With 5 adjustable resistance springs, you can train your muscles from almost any angle. The Chest Expander offers various levels of resistance and allows you to comfortably adapt your exercise routine to your needs. 3.BENEFITS Primarily, the chest expander will enhance and strengthen your pectoral muscles, but it also provides excellent workouts for your biceps, triceps, shoulders, traps, deltoids, and upper back muscles. 4.FULL BODY WORKOUT By looping one handle around your foot and holding the other with your hand, you can achieve a great workout for your legs as well. You can achieve a comprehensive full body workout, as the potential of the chest expander is only limited by your creativity and flexibility. 5.GREAT EXERCISE Chest Expanders offer numerous advantages over traditional weights. The cables of the expander provide constant and steady resistance, allowing you to work out all muscle groups easily without additional strain or risk of injury.