Adaptability: Designed specifically for 110mm sink drains to ensure precise matching and prevent water leakage. Efficient sealing: O-rings provide reliable water sealing performance and effectively prevent leakage at the sink drain outlet. Material: Made of PVC and EVA, it ensures good elasticity and sealing after long-term use. Easy to install: Easy to replace, remove the old O-ring and replace it with a new one, no professional tools are required, suitable for home users. Multi-purpose: Suitable for various sink drains, compatible with sinks of different brands and models, and improve the overall use experience., Manufacturer: eMagTech