This is a door stopper from Yamazaki Jitsugyo. I've been using it for about three months. ⚪︎Product size: When in use: approx. W4.5 x D7 x H28cm, When stored: approx. W4.5 x D4 x H17cm ⚪︎Quality indication: Main body: Steel (powder coating), magnet, stopper tip/anti-slip: Silicone ⚪︎Applicable doors: Steel doors with flat surfaces that magnets can attach to. *Cannot be installed on doors where the distance between the bottom of the door and the ground exceeds approximately 15cm. ⚪︎Color: Black ⚪︎When stored: approx. W4.5 x D4 x H17cm Yamazen Jitsugyo Tower Tower