【Durable Polypropylene Construction】: Crafted from high-quality polypropylene, each replacement ring is engineered for superior strength, flexibility, and durability. Resistant to tearing and breaking during regular use, you can count on for daily garbage management. 【Automatic Sealing and Replacement】: Designed for automatic sealing and replacement when the garbage bag is full. The new seamless trash bag automatically extends its length, enabling automatic bag replacement and overload packing. 【15.5L / 3-Gallon Large Capacity】：Boasts a generous 15.5L (3-gallon) capacity, perfectly holding a full day’s worth of household waste. It is specifically designed to match T1/T1S/Tair ultra-thin trash cans (sold separately), meeting all your daily garbage collection needs with ease. 【Recyclable & Leak-Proof Eco Design】: Made with 100% recyclable materials that align with modern environmental principles. The cartridges offer excellent moisture and water resistance, effectively preventing garbage leakage and odors, ensuring your bin stays clean and fresh with minimal effort. 【6/12-Pack Options】: Available in convenient 6 or 12-count packs, each replacement ring provides approximately one month of coverage for a single trash can. This reduces the frequency of replacements, ensuring durability and offering excellent value for your household cleaning needs.