Kitchen Sink Grid Dimension: 18.1"(46Cm)L X 13.4"(34Cm)W; Drain Hole Diameter 5"(12.7Cm). Please Measure 1" From The Bottom Inside Of Your Sink To Get The Right Size Of Grid. The Length And The Width Should Be 1/2" Smaller Than Sink Grid Size. | | Protect Your Sink:This Sink Grid Is The Simplest Way To Protect Your Sink From Scratches And Damage. They Protect The Surface From Cutlery And Dishes, And The Protective Bumper Feet Ensure The Grids Leave No Marks. | | Adjustable Width And Height: The Collapsed Size Of The Cabinet Shelf Organizer Is 16.54" X 10.24" X 9.84"(Wxdxh),In Order To Make The Best Use Of The Space, Both Can Expand Width From 16.54" To 27.17" And Adjust Shelf Height From 5.7" To 8.5" To Fit Your Storage Needs Just About Anywhere. | | Stackable And Durable: Adopt Double-Hole Design, Which Is More Stable And Durable, There Are 8 Single Holes In Total At The Top And Bottom Of The Kitchen Cabinet Organizer Shelf, You Just Need To Match The Screws With Holes When .