Easy-to-use magnetic door stopper. Designed to fit gaps. - Gap size: Approximately 5cm or less under the door, 3-7cm under the pedal's rubber - Brand: marna - Function: Magnetic door stopper Thank you for viewing. I purchased this for 5000 yen. I bought it for a new house, but it didn't fit, so I'm selling it. I used it once for testing, and I have wiped off any dirt. Instruction manual included.