OPTIMALLY SIZED- Each BIG rubber door stop is optimally sized at 1.7 inches high (and 0.9 inches wide and 6.1 inches long) for home, office and school doors that have larger floor clearance Gap Between door and floor approx 1.7in. PREMIUM QUALITY-The door stopper is made from high-quality non-toxic, non-marring, anti-skid rubber to protect floors and walls from damage. The solid construction makes the piece last for many years to come. It has an anti-slip base, providing ultimate gripping power. HOME SAFETY ITEM-The doorstop keeps doors from slamming and helps to prevent painful and serious injuries. Prevents you from being accidentally locked in a room. Protects your babies, toddlers and pets. You can hold a door slightly ajar so that children cant open or close it any further. No more slamming doors on little fingers. Stops a door from closing when a child is sleeping, giving you a sense of security. A MUST HAVE for every home, office, business and toolbox Great for trades and DIY projects such as painting or hanging a door movers and decorators hospitals and schools hotels and museums - hardware for anywhere you need a door to remain securely open. If you are not satisfied with our tall door stoppers and we will replace them or refund your money with no questions asked .