STRONG AND DURABLE Made of high quality stainless steel and rubber. Non - hollow inside, firm but not hard, the doorstoppers doesn't fold when you place a lot of force on the door. These hard metal door stoppers dont rust or lose their shape over time. NOTE: When setting them, just place your foot in front of it and pull the door gently toward you to compress the rubber a bit (pre-load it) and it holds great. THE IDEAL SIZE Your new door stoppers measure L 3.9" x W 2.0" x H 1.2", the height of the shorter end is 0.05 inch. One doorstop will fit under any of your doors hanging anywhere from 0.1 to 1.2 inch off the floor. If it is higher than 1.2 inch, please use two stoppers, these are stackable. NOTE: please take out the carpet firstly, then measure the distance between the door and floor. NOTE: Keep door stopper dry and dust-free in use. If its wet/dusty, wipe it with towel, try again EASY TO STORE With stainless steel handle, you could hang the doorstoppers on door, refrigerator, wall or anywhere you wanted. Won't take much space and won't lost it, you will find it easily while you need them next time. This decorative doorstop features a stunning silver and black design that doesnt look bulky or out of place WORKS ON ALL SURFACES Hone, parquet, marble or granite floors, no matter the surface, these premium door stops dont slip. This heavy duty door stopper's sloped design and anti-slip base provide ultimate gripping power and allow your doorstop to work on floor. We also tested it on the tiles, the doorstop stays in place. Easy to insert and easy to pull out with stainless steel handle KEEPS LOVED ONES SAFE Ideal for home with a toddler or pet. Environment Friendly, no pungent smell, safe for your kids, family. From stopping a side door, wide door, kitchen, bedroom, home or office door to keeping windows open, the large door stopper kit has many uses. Package include 2 X rubber door stop.GuaranteeShackcom is committed to provide the highest quality products, best customer service. If you feel unsatisfied with door stoppers, we will happily refund for you without return