The silicone core floor drain is designed to provide a robust barrier against backflow . Its flexible silicone construction allows for easy insertion into floor drains, making it suitable for bathrooms, kitchens, and laundry areas. This drain plug effectively blocks unwanted smells and prevents water from backing up, ensuring a clean and pleasant living space. Features -Color:Blue -Material:Silicone -Size:9.50X5.30X5.30cm/3.73X2.08X2.08in -Effectively:This device ensures that wastewater is effectively prevented from reentering your home, offering you peace of mind and safeguarding your home -Fresh and clean: It features an advanced sealing capability that blocks unpleasant sewer smells, keeping your home fresh and clean at all times -Long-term use:Crafted from silicone, this product is both flexible and durable, ensuring long-term use without compromising on performance -Practical:for various settings such as bathrooms, kitchens, and laundry rooms, this multifunctional solution meets all your drainage needs -Maintenance:Designed with user convenience in mind, it is easy to install and remove, simplifying maintenance and cleaning tasks Package list: 4pcs x drain backflow preventer