Make Your Own 12x12 Slate Floor Tile With Our Mold #1120 MAKE THIS TILE FOR PENNIES EACH... and SAVE hundreds to thousands of dollars on your next project. HERES HOW EASY IT IS TO DO: Lubricate molds with light vegetable oil or mold release if available. Mix a bag of concrete per the instructions and add color, unless you want gray stone, then pour into molds. Vibrate lightly to release air then let them sit over night undisturbed... pop out tile from mold after about 24 hours! Complete detailed Instructions are included with purchase, plus email and website support for life!