installation: It can quickly installed or disassembled without the need for complex tool, making it for daily use, storage, and cleaning Safe and stable structure:, the connecting component are firm and durability, and stable and not shaking after installation, ensuring the of baby travel Enhancing comfort: By increasing leg and hand armrests, reduce the pressure on the baby body from prolonged sitting and care for growth Suitable for multiple vehicle models: specially designed for T18 / T28 and other models, with strong compatibility Double functional design: The extended footrest and armrest can converted for use, which not only extends seat for baby to lie down more comfortably, but also provide additional and protections