Door Stoppers for Bottom of Door on Floor, Door Gaps, Rubber Door Stop Wedge, Sturdy Stackable Door Stops for Carpet Heavy Duty Door (3 Pack, Black) LARGE DOOR STOPPERS: Each wedge door stopper measures 4.8" (L) X 2.2" (W) X 1.2" (H) and fits any door with clearance up to 1.2". These door stoppers allow you to move freely in between rooms of your home, school, or office. WORKS WITH ANY DOOR AND FLOOR: These sturdy non-slip door stoppers are suitable for wood, glass, and steel doors and they work well on floors like hardwood, carpet, concrete, tile, linoleum, stone, asphalt, and ceramic providing superior clench. ENHANCED AND REINFORCED: Our rubber door stops rely on a sloped design to keep doors from closing on their own. They fit under most door gaps if you double them back to back, and will withstand daily use without cracking apart. Reinforced skirting around the door stoppers and the enhanced hollow design which enables double stacking makes it hard for these wedges to topple. ANTI-SLIP: Protect your home or office wall with these abrasion-resistant door stoppers which won't slip or scratch even on those heavy duty Industrial doors. Keeping your kids, babies safe from slamming doors. Pets will not be unable to go home because the door suddenly closes. STRONG, DURABLE, NATURAL RUBBER: These door stoppers are made of strong flexible rubber, conducive to environmental protection, comply with American ROHS standard, not easy to deform, and are made to last for many years to come.