4-piece set, 2 long ropes, 1.5m short ropes, 2 short ropes (1 long rope 2.25m. 1 short rope 1.5m). Easy to install: With two different lengths of ropes, you can easily replace any part of the chair. The short rope can replace the upper part of the zero gravity chair, while the long rope can replace the lower part of the zero gravity chair.