Features: Pool plugs: Includes 1 black plug in each of 6 sizes—25mm, 32mm, 38mm, 45mm, 51mm, and 63mm—to help protect your pool during cold winter months. Widely applied: Designed as tube plugs to prevent debris or water from entering pipes during winter; also helps prevent water outflow during equipment maintenance. Stable performance: Made from stainless steel and PVC for durability, cold resistance, and dimensional stability—no slipping or shrinking over time. Practical usage: Expanded rubber design allows secure insertion into pool return lines and plumbing outlets. Versatile use: Suitable for outdoor pools, indoor pools, sinks, and other plumbing applications requiring temporary pipe sealing. Specifications: Material: Stainless Steel, PVC Color: Black Size options: 25mm, 32mm, 38mm, 45mm, 51mm, 63mm Package includes: 1 pool plug Note: Slight measurement variation of up to 3mm may occur due to manual measurement. Monitor settings may affect color representation.