Unused scrap material. It's an enamel panel, so magnets will stick to it ·͜· ︎︎ᕷ Double-sided tape is applied to the back, so the buyer will need to purchase adhesive to install it ( ᐡᴗ ̫ ᴗᐡ) White trim will be provided for the four corners, so the buyer will need to purchase caulking to install it ( ᐡᴗ ̫ ᴗᐡ)