What it does and why you need it: Stop running toilets and prevent water waste. These silicone tank seals create a reliable, leak‑proof barrier so your toilet stops leaking and your water bill goes down. Durable replacement parts for routine maintenance or upgrades in both homes and commercial restrooms. Key features and benefits: 5pcs silicone tank seals (5piece set) — enough for multiple repairs or spare replacements. Flexible yet strong silicone construction provides a tight seal that holds up to normal water pressure changes without cracking or deforming. Temperature‑resistant material for long service life in bathroom environments. Designed to fit most toilet models; ideal when original gaskets are worn, hardened, or leaking. Simple swapin replacements that reduce callbacks and extended time for professionals and DIYers. Who it's for: Homeowners and DIY enthusiasts needing a dependable replacement for worn out gaskets. Plumbing professionals seeking a stable, durable part for routine service calls. Property managers performing preventative maintenance on multiple restrooms. Practical use scenarios: a hardened tank gasket in a residential bathroom to stop a slow leak and eliminate continuous running. Upgrade seals during a commercial restroom renovation to ensure consistent, leak‑ performance under frequent use. Carry spares for quick maintenance in rental properties or multi‑unit buildings to reduce downtime and tenant complaints. Material: silicone. Compatibility: fits most toilet models. Performance: leak‑proof sealing, temperature resistant, resists pressure fluctuations. 5pcs per set for multiple repairs or backups.