【Safe Material】: Made of TPR soft rubber, durable and reusable for many years. Size: approximately 5.3 x 5.3 cm 【Unique Design】: Efficiently drains water quickly regardless of flow, preventing water accumulation. Self-cleans through rotation to maintain cleanliness. 【Usage】: Designed for drains with a diameter of about 35-37mm, compatible with most standard plumbing systems. Suitable for kitchen sinks, bathroom sinks, and floor drains. Helps control drain odors and prevent sewer insects. 【Closed Isolation Technology】: Blocks sewer gases and unpleasant odors from entering the home by creating a tight seal. Helps prevent backflow and keeps the environment hygienic. 【Easy to Use】: Simple installation—just insert into the drain. The handle allows for easy removal and cleaning when needed. Features: 1. Ideal for use in kitchens, bathrooms, garages, balconies, and toilets. Easy to install and maintain. 2. Rapid drainage performance even under heavy water flow. Rotating design enables self-cleaning. 3. Effectively seals out sewer odors and prevents gas leakage into living spaces. Product Name: Inner Floor Drain Core Material: TPR + ABS Dimensions: Approximately 5.3 x 5.3 cm Package Includes: 1 x Internal Floor Drain Core Note: Due to lighting effects and monitor settings, there may be slight color variations. Manual measurement may result in minor size differences.