WIDE APPLICATION: These sturdy door stoppers can works with any door & floor, like hardwood, carpet, concrete,tile, linoleum, stone, asphalt, and ceramic providing superior clench. 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.EASY TO BE USED: You don't need drilling holes or using adhesive tape for the door wedge, just needs to be paced on the bottome of your door.Keeping your kids, babies and pets safe from slamming doors.STRONG & DURABLE: These rubber door stoppers are strong, thick and durable. it is not easy to deform and it can be made to last for many years to come.The heavy rubber door stoppers for bottom of door provides optimum friction to keep the door deadbolt.MATERIAL& SIZE: The door stoppers are made of high quality rubber, which helps protect door and floors from scratches and dents. The size of stopper measures 4.7" (L) X 2.2" (W) X 1.3" (H) and fits any door with clearance up to 1.1". If the door gap is more than 1.1'' high, you can stack two doorstops for use.PROTECTION DESIGN: Our rubber Door Wedge rely on a sloped design to keep doors from closing on their own. They fit under most door gaps, and will withstand daily use without cracking apart. Reinforced skirting around the door stoppers and the enhanced hollow design makes it hard for these wedges to topple.