Leak prevention and winter protection: builtin leakprevention rubber seal provides double protection to keep water tightly sealed. for winter safety, wrap tape around the drain to prevent all freezerelated damage. Broad compatibility: suitable for both large and small pools, made from durable material for reliable performance. Userfriendly and durable design: features an innovative Oshaped ring design in the nozzle plugs to secure the seal and enhance longevity, effectively preventing leaks. Complete pool care solution: comes as a set of 2 plugs to meet daily use and replacement needs, providing a dependable water protection solution. Use scenarios: Routine pool maintenance and drainage: insert plugs to prevent leaks when valves or drains are being serviced. Winterizing outdoor pools: seal drains and wrap with tape to guard against freezing and freezerelated damage. Spare replacements: keep a second plug on hand for quick swap during routine maintenance or plug replacement. Attributes at a glance: function—leak prevention and water protection; compatibility—designed for both large and small pools; material—durable construction with a rubber seal and Oring design; performance—reliable leak sealing and longlasting durability.