U-shaped insect-proof waterproof design features a U-shaped waterproof structure for easy installation and efficient drainage. Equipped with four 360-degree drainage outlets, it ensures quick water flow and prevents floor water accumulation, enhancing overall user experience. Precisely sized with TPR soft glue that fits snugly at the channel entrance. The flexible rubber ring can be trimmed between 3.5 to 7.5 cm to fit various openings, allowing for easy customization and installation. Provides excellent sealing performance with multiple leak-proof layers that block odors and prevent backflow. Includes a reliable gasket and water seal system to maintain hygiene. Ideal for protecting kitchens, bathrooms, garages, basements, and toilets from unpleasant smells. Includes an anti-fall protection net that traps hair and foreign debris, helping to prevent clogs and maintain clean drainage channels. Hair stopper kitchen sink strainer made from premium plastic material. Durable, non-corrosive, and designed to effectively prevent odors and overflow, contributing to a healthier home environment. Product dimensions: 7.5 x 7.8 cm; diameter: 3.5 cm.