Rubber booster Lifefit Expander Long Multi-purpose booster LIFEFIT EXPANDER LONG for strengthening the muscles of the upper and lower limbs. The booster rope is made of durable and extra flexible silicone material and has soft non-slip grips on the ends. Thanks to the low price and high efficiency of the exercises, the LIFEFIT EXPANDER LONG is a popular home fitness tool. - special solid strengthening rubber 150 cm + 2 x 15 cm handles (total 1.8 m) - soft foam non-slip handles - suitable for all-round home strengthening.