Homecharm-Intl HC-028 Big Sizes Set 3 Wall Cubes,White With Large Size &Big Space than Normal Simple amount to wall Size of Large One:W19.69*H11.81*D7.87 Inches Size of Mid One: W17.72*H9.84*D7.87 Inches Size of Small One: W15.75*H7.87*D7.87 Inches