LARGE DOOR STOPPERS: Each door stopper measures 4.8 (L) X 2.2 (W) X 1.2 (H) and fits any door with clearance up to 1.1. The door stoppers allow you to move freely in between rooms of your home, school, or office, without having to open and close your doors every single time.WORKS WITH ANY DOOR ANY FLOOR: The sturdy non-slip doorstops wedge are made for wood, glass, and steel doors and it work well on floors like hardwood, carpet, concrete, tile, linoleum, stone, asphalt, and ceramic providing superior clench.ENHANCED AND REINFORCED: Our door stops for bottom of door rely on a sloped design to keep doors from closing on their own. It fit under most door gaps, and will withstand daily use without cracking apart. A clear-cut reinforced skirting around the door stoppers and the enhanced hollow design, can provide great grips even on rough or uneven surfaces.NON-MARKING, ANTI-SLIP WEDGE : Protect your home or office floors with these abrasion-resistant door stoppers which wont slip or scratch even on those heavy duty Industrial doors. Keeping your kids, babies and pets safe from slamming doors.STRONG, DURABLE, AND NATURAL RUBBER: The door stops are made of strong flexible rubber, thick, ROHS, and durable, not easy to deform, and are made to last for many years to come. The heavy rubber door stoppers for bottom of door with a unique design provides optimum friction to keep the door deadbolt. We are confident with the quality that we offer a ONE-YEAR FREE WARRANTY. If you have any problems with the product, please feel free to contact us.