Features: Overflows with this automatic bathtubs overflows preventer, featuring intelligent water level technology that activates anti spill protective when maximums capacity approaches. Crafted from plastic, this drain stoppers creates airtights closures against drain openings while enabling easy installation. Ideal for family with children, elderly users, and soak enthusiasts who prioritize bathroom safety and easy maintenance during bathing routines. Maintain bathwater depth for therapeutic soaks or bubble baths while preventing accidental flooding in standard bathtubs, walk in showers, or jetted installations. Its low profiled designs modern bathroom aesthetics with drain compatibility, offering water level control through intelligent overflows protective mechanics. Specifications: Materials: Plastic Color: As Picture Show, Three Color to Choose Size: Diameter 15.50cm/6.10inch, 10cm/3.94inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Package includes: 2pcs Bathtubs Drain Plug