Original Patented Door Stoppers For Bottom Of Door, Optish Non Slip Rubber Door ?Patent Pending-Holds in Both Directions?More stable than other traditional door stoppers cause OPTISH door stop holds the door from both sides. Safe for child play with pets without worrying about the door suddenly closing and getting hurt ?Measure Before You Buy?This door stop measures L 5.2" x W 3.3" x H 1.2", work with any of doors that have a floor gap between 0.2 to 1.2 inches ? Non-Slip Design ?The bottom of the door stop adopts texture Design, which can provide high friction and keep the door secure and not move ?Works with all Floor Surfaces?The door wedge is made from durable rubber and its floor contact surface is non-slip, which provides a strong grip. Works on Carpet, Hardwood, Tile, Concrete and so on ?Good Customer Service?If you are not satisfied with our door stops for any reason, please contact us and we will provide you with a 30-day refund and lifetime warranty for risk-free shopping