Features: Pool plugs: 1 black plug set with 6 size options—25mm, 32mm, 38mm, 45mm, 51mm, and 63mm—to help protect your pool during winter. Widely applied: Designed as tube plugs to seal pool plumbing lines during winterization and prevent water outflow during equipment maintenance. Stable performance: Made of stainless steel and PVC for durability, cold resistance, and secure fit—no slipping or shrinking. Practical usage: Expandable rubber design ensures a tight seal in pool return and drain lines; simply insert and twist into place. Convenient: Suitable for use in outdoor pools, indoor pools, sinks, and other plumbing applications requiring temporary line sealing. Specifications: Material: Stainless Steel, PVC Color: Black Size Options: 25mm, 32mm, 38mm, 45mm, 51mm, 63mm Package Includes: 1 x Pool Plug Note: Slight size variation of 1–3mm may occur due to manual measurement. Monitor settings may affect color representation.