[Suitable For All Dishwashers]: Full size soft magnet on the back with strong magnetism. If your dishwasher is not magnetic, don't worry, we have double-sided tape . They don't leave any marks on the surface of your dishwasher. [Scratch-Free Strong Magnet]: Full-size soft magnet on the back, which can be safely maintained on any magnetic surface. Built-in industrial magnets are covered with soft silicon to protect your dishwasher. [Perfect Size And Durability]: The Rectangular size is 7x2 inches, Round 3.5x3.5 inches and the clear, eye-catching text makes it easy to read, but not combative, so you can read it with ease! Smooth and durable plastic looks great on any dishwasher. [Easy To Use]: Easy to manually switch clean and dirty. However, when you open or close the door of your dishwasher, it 't change on its own because there is a resistor inside that will keep the shutter sign in position. [Unique Gift Idea]: A Great gift for Mother's Day, New Homes,Housewarming, Christmas.This is a meaningful, practical gift. Your mom, wife, grandparents, girlfriend and friends will all love it! Loving and useful gift for anyone! Colour:Black Material:ABS Size:Rectangle about 17.7x5.2cm, round 9x9cm Package Contents: 1 x rectangular Clean Dirty Sign with 2 double-sided tape 1 x round Clean Dirty Sign Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.