Large Doorstops: Each wedge-shaped doorstop measures 4.8"(L) X 2.2"(W) X 1.2"(H) and fits any door with gaps up to 1.2". These doorstops allow you to move freely between rooms at home, school or office. WORKS WITH ANY DOOR AND FLOOR: These sturdy, non-slip door stoppers are suitable for wood, glass, and steel doors, they work well on floors like hardwood, carpet, concrete, tile, linoleum, stone, asphalt, and ceramic, providing an excellent bite . Reinforced and Reinforced: Our rubber door stops rely on an angled design to prevent the door from closing on its own. If you double them back to back, they can fit under most door seams and will withstand everyday use without cracking. Reinforced baseboards around the door plug and a reinforced hollow design allow for double stacking, making these wedges difficult to dump. Non-Slip: Protect your home or office walls with these hard-wearing door stoppers that won't slip or scratch, even on those heavy-duty industrial doors. Protect your kids, babies from slamming doors. Pets don't get home because the door slams shut. Strong and Durable Rubber: These doorstops are made of strong elastic rubber, which is good for environmental protection, not easy to deform and durable. These heavy duty rubber jams with a unique design provide optimal friction to hold the latch.