The length of the chains is about 210 cm. The rocking seat is suitable for the following swings: 220063M, 137415M, 175076, 175575, 220062M, 220064M, 220069M, 220070M, 220067M and 220068M. The material of the chains is polished austenitic stainless steel, 6 mm thick. The chains have plastic coatings that protect the child. The seat is made of rubber.