The product is a DIY Blue Swivel Cable designed as a replacement for Dolphin Cleaners. This 2-wire 60-foot cable is compatible with Dolphin robot vacuums and suitable for both above ground and in ground pools. The cable, manufactured by Maytronics, is specifically designed for Dolphin cleaners and comes in a pack of 1. Its round shape and blue color make it easy to spot and use for efficient pool cleaning.