6 Times elastic muscle build sport fitness chest expander

We are manufacture of latex exercise tube, the tubes can be expand to 6 times as long as its original length. The exercise tube is very popular when people doing gym. It helps people to improve their health and lose weight. It has a strong strength and excellent elastic. It is made of natural latex which is non--toxic to people's health. It has a bright color which never fades.
The principal products are : fitness equipment, sports gear, latex products, and other various related series products through special formula, colorful and difficult to aging and difficult to crack, stretching, shrinkage, durable and easy to carry. All the products were detected after EN-71 SGS and a series of indicators in full compliance with environmental products.