The length of the chains is about 160 cm. The swing seat is suitable for the following swings: 220001M, 220002M, 137414M, 137412M, 137418M, 175074, 175075, 220061M and 230050. 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.