Latex rubber with soft, comfortable foam handles is a great and easy way to improve the appearance of your body: lose excess fat, improve your condition or build muscle. We can work out at home without having to go to the gym. Your muscle strength will be used to stretch the gum, thus improving the appearance of the upper body. The muscles of the arms, chest and back work by choosing the right exercises. The rubbers are designed for: beginners (red), intermediate (blue) and professionals (yellow) Specification: Diameter: 11.5 mm Thickness: 5.5 mm Length: 148 cm