SPECIFICATIONS Application: Rubber String Chest Developer   Brand Name: NoEnName_Null Choice: yes Department Name: Unisex Hign-concerned Chemical: None Origin: Mainland China Training Site: Legs,Hip Type of sports: Strength Training   Description The resistance band set can be easily transported to use wherever you like. Get a great resistance bands workout in at home, the gym or when travelling Material: Latex Circumference: 600mm Size(Circumference * Width * Thickness): 600*50*0.35mm 600*50*0.5mm 600*50*0.7mm 600*50*0.9mm 600*50*1.1mm Features: Easy to grip and don’t roll up through your body. Bands for different stretch levels: Extra Light, Light, Medium, Heavy and Extra Heavy. Resistance bands for legs and arm, to strengthen your muscles, shape your body or to recover after workout. Storage in a small mesh bag, you can put it in your purse, suitcase or backpack. They are made from eco friendly natural latex material.