Description:Isolate drain pipe odors & prevent roach infestation into your shower, kitchen, and toilet with 1 simple installation.Avoid expensive drain maintenance costsKeep your home sweet-smelling & bug-free NOWFeatures:1. One-Way Drain Seal ValvesOur floor drain trap seal core is your new choice for drain trouble. It is an easy installation, with no alteration needed for your existing drain. Let you stay away from bad smells. Just perfect for all drain types2. No More Smell And Wastewater BackflowOne-Way Drain Seal Valves helps to blocks the gases from drains or kitchen reverse osmosis and returns home with fresh air. A good choice for the children, and your family. It also blocks bugs and roaches from crawling up through your floor drains3. Unique V-Shaped One Way Valves DesignV-shaped design for floor drain, ensuring the smooth draining and faster water flow. An automatic closing design can strongly prevent backflow. Practical drain backflow preventer4. High Functionality Material And DesignMade of good quality silicone and PP, super flexibility, and abrasion resistance. No smell. Durable, no need to worry about deformation after stretching.5. Wide Range Of ApplicationFloor drain seal with the closing mouth can be used in the floor drain. So it is necessary to install drain seals in the bathroom, kitchen, toilet, shower room, basement, garage, laundry room.Notice:1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement.Specification:Size: 6.5*5.5cmMaterial: PP+siliconeincludes:1/2/5(optional) x One-Way Drain Seal Valves