Tokyo Bouon Door Stopper TB-02 Black, Set of 2 Length 120mm x Width 30mm x Height 2-30mm There are no issues with use, but please be aware that it was used for approximately six months. Brand: Tokyo Bouon Mounting Type: Door Mount Material: Elastomer Color: Black Style: Compatible with relatively heavy doors Features: Made of elastomer, so it is less likely to transfer color to the floor. Uses: For temporarily holding doors open, etc. Notes: Because it is made entirely of elastomer rubber, it is compatible with relatively heavy doors.