Quantity : 2 pieces White color Product size: refer to the picture Protect the pipes: the antifreeze cap can block the return pipe, prevent rainwater from entering the ice and cause the hose to break, and protect the swimming pool from damage. With rubber ring: In order to ensure the sealing performance, 5 winter plugs can meet different needs, suitable for hot tub accessories, swimming pool accessories, SPA accessories. Easy to install and use: Directly plug in the oil return port, no additional auxiliary attachments are needed, and it can be easily used in minutes. Materials high quality: the expansion plugs are made of plastic according to standard specifications and are expandable to ensure a perfect seal and prevent leaks. Wide range of applications: suitable for garden pools, swimming pools, etc. . Skimmer plugs can be used as pipe plugs to plug skimmers, oil return lines, and detergent lines.