[Use High Quality Environmentally Friendly Rubber] The Door Stopper Is Made Of High Quality Rubber Materials, Which Will Not Damage The Floor And Leave No Marks. Firm Grip, Will Not Damage The Door. Use It Safely And Reliably. If The Rubber Door Stopper Is Dirty, You Can Clean It, Wipe It And Use It. New For Best Results.Suitable For Door Openings Of Different Heights: Most Door Openings, Without Cracking In Daily Use. The Door Stopper Size Is 12.3Cm X 4.1Cm X 2.5Cm. They Are Suitable For Hanging Anywhere. Between 0.5 Inches And 0.8 Inches On The Floor. If The Gate Gap Is Greater Than 2.00 Cm, Two Door Stoppers Can Be Stacked Together, And It Is Suitable For Use, And The Fixing Force Is Stronger. These Stoppers Rely On A Slanted Design To Prevent The Door From Closing On Its Own.[Wide Range Of Applications] On Various Soils Strong Adhesion, Such As Wood, Cement, Vinyl, Ceramic Tile, Carpet, Etc. The Thicker The Floor, The Stronger The Grip Of The Door Stopper.Easy To Remove. To Use: Our Door Wedge Only Needs To Be Placed On The Bottom Of The Door. No Need To Drill Holes Or Use Tape. No Sticky Residue Or Unsightly Marks. These Rubber Door Wedges Allow You To Move Freely Between Home, School Or The Office, Without Having To Open And Close The Door At Any Time. Every Time. In Your Home Or Office, It Is Enough For Multiple Bedrooms, Classrooms Or Office Doors Etc.Free Installation Hook: Each Door Stopper Is Equipped With A Hook For Free Bracket, Which Can Hang The Product On Any Door (Or Wall) And Keep It Safe; And In Order To Prevent The Rubber Door Stopper From Getting Lost.